According to Education.org, a good teacher is someone who has an engaging personality, good communication skills and a passion for what they do. However there are many different op...A rhodian variety of Gold. Gold containing 34 to 43 weight percent Rh has been reported from Columbia & Mexico, but not confirmed. Silver- and mercury-bearing Gold. A variety of gold, containing up to 31 weight percent of silver and up to 15 weight percent of mercury. Compare also Unnamed (Ag-Au Amalgam).Mindat.org is a non-commercial interactive online database covering minerals across the world. Originally created by Jolyon Ralph as a private project in 1993, it was …Biagioni et al. (2020) delineate the series of Ag-poor tetrahedrites, where Ag < 3 apfu, belong to the tetrahedrite series. Although originally considered a series between tetrahedrite-(Fe) and tetrahedrite-(Zn), the two most common end-members, there are now (as of November 2023) seven IMA-recognized end-members.Hence, the former … Steel-grey to black in crystals and massively crystalline ores, dull to bright "rust-red" in earthy, compact, fine-grained material. Originally named about 300-325 BCE by Theophrastus from the Greek, "αιματίτις λίθος" ("aematitis lithos") for "blood stone". It is possibly the first mineral ever named ending with a "-ite" suffix. 1993 to 2000. Before mindat.org was a website, it was a personal computer database project that Jolyon had written from scratch using the C++ programming language. It ran as a DOS application and also as an application on Jolyon's preferred Commodore Amiga computer. Jolyon was the only person who ever …25 Jul 2023 ... Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and ...The official website of The Church of Jesus Christ of Latter-day Saints, commonly known as LDS.org, is a valuable resource for members and non-members alike. The homepage of LDS.or...Diamond is a rare and valuable mineral composed of pure carbon. It has a hardness of 10 on Mohs scale and a high refractive index. It is often found in association with kimberlite, a volcanic rock that originates from the mantle. On mindat.org, you can learn more about the properties, occurrences, varieties and localities of diamond and other minerals.Type Locality: ⓘ Atacama, Chile. Polymorph of: Botallackite, Clinoatacamite. Atacamite Group. A secondary copper mineral formed through the oxidation of other copper minerals, especially in arid, saline conditions. May be confused with brochantite. May alter to malachite and chrysocolla, creating pseudomorphs.Jean-Marc's Home Page ... I have collected minerals since I was fifteen. Ten years later, I started collecting micro-minerals. It was the very beginning of ...Specific Gravity: 5.246 - 5.505. Crystal System: Monoclinic. Member of: Coronadite Group > Hollandite Supergroup. Name: Named in 1905 by Waldemar Lindgren in recognition of Francisco Vasquez de Coronado [1510 Salamanca, Spain - September 22, 1554, Mexico City, Mexico], a Spanish conquistador and explorer of the American southwest. Type … Quartz is one of the most common and diverse minerals on earth, and mindat.org is the largest and most comprehensive mineral database and reference website on the internet. Learn about the properties, varieties, localities, and photos of quartz from different sources and contexts. Explore the fascinating world of quartz with mindat.org. About Nuummite Hide. Name: The name Nuummite which means "derived from Nuuk" in Greenlandic was given to the amphibolitic rock type which was found by the geologist Peter W. Uitterdijk Appel in 1982, near Nuuk (Godthåb). Appel considered first the name nuukite, but renamed it to Nuummite, which in Greenlandish … Cinnabar is a mineral with a bright red color and a high mercury content. It is one of the three forms of mercury sulfide, along with metacinnabar and hypercinnabar. On mindat.org, you can find detailed information, data and localities of cinnabar, as well as stunning photos of cinnabar crystals from different regions of the world. Learn more about this fascinating and rare mineral on mindat.org. A variety of Muscovite Illite is a very common mica and clay mineral, typically found as extremely fine-grained masses of grayish-white to silvery-gray, sometimes greenish-gray, material. The literature on "illite" is very large as it is a widespread component of many sediments, especially marine; despite this it is poorly defined …The French spelling, "Cyanite", was commonly used by mineralogists through much of the 19th and early 20th centuries. Common metamorphic silicate mineral. The generally bluish colour is caused by Fe (II)-Fe (III) charge transfer (Faye and Nickel, 1969). Visit gemdat.org for gemological information about Kyanite. Type Locality: ⓘ Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy. Polymorph of: Dmisteinbergite, Stöfflerite, Svyatoslavite. Feldspar Group. Ca-rich end member of the plagioclase (Albite-Anorthite Series). High- and low-temperature structural modifications exist. The French spelling, "Cyanite", was commonly used by mineralogists through much of the 19th and early 20th centuries. Common metamorphic silicate mineral. The generally bluish colour is caused by Fe (II)-Fe (III) charge transfer (Faye and Nickel, 1969). Visit gemdat.org for gemological information about Kyanite.Monoclinic. Name: From the ancient Persian lazhward, meaning "blue", in allusion to the color. Name changed to azurite in 1824 by François Sulpice Beudant. Type Locality: ⓘ Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France. A secondary copper mineral frequently found in …Named after Matthias Joseph Anker (1771-1843), Styrian (Austria) mineralogist. Originally considered to be Ca (Mg,Fe) (CO 3) 2 (eg. Hey, 1955, with >10% FeCO 3) with no specific requirement for Fe>Mg, before being redefined as strictly having Fe>Mg, i.e. with the dominant endmember CaFe (CO 3) 2. It was commonly given …Name: Named in 1801 by Rene Just Haüy from μειωυ Greek for less, in reference to the less acute pyramidal form as compared to vesuvianite. Type Locality: ⓘ Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy. Scapolite ( Marialite-Meionite Series ). Visit gemdat.org for gemological information about Meionite.Associated Minerals Based on Photo Data: 66 photos of Demantoid associated with Amphibole Supergroup. AB2C5( (Si,Al,Ti)8O22) (OH,F,Cl,O)2. 55 photos of Demantoid associated with Quartz. SiO2. 37 photos of Demantoid associated with Asbestos. 21 photos of Demantoid associated with Chrysotile. Mg3(Si2O5) (OH)4.Back to good organic growthSTOCKHOLM, April 28, 2021 /PRNewswire/ --First quarterNet sales decreased by 2% to SEK 21,805 M (22,173), with good org... Back to good organic growth ST...Orthorhombic. Member of: Tuhualite Group. Name: Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study. Type Locality: ⓘ Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA. Tuhualite Group. Visit gemdat.org for gemological information about Zektzerite.Link to MinDat.org Location Data. Name Origin: Named after its chemical composition. Synonym: Chrome iron ore : Chromic iron : Ferrichromite - magnetic, … ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0005037: Thomsonite-Ca: Gatta G D, Kahlenberg V, Kaindl R, Rotiroti N, Cappelletti P, de Gennaro M (2010) Crystal structure and low-temperature behavior of "disordered" thomsonite American Mineralogist 95 495-502 Mindat Fellows 2023. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events. Orthorhombic. Member of: Tuhualite Group. Name: Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study. Type Locality: ⓘ Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA. Tuhualite Group. Visit gemdat.org for gemological information about Zektzerite.Marialite-Na adalah mineral dari kelompok scapolite, yang memiliki kandungan natrium dan klorin yang tinggi. Mineral ini ditemukan di beberapa lokasi di dunia, termasuk Italia, Kanada, dan Tanzania. Informasi lebih lanjut tentang sifat dan data mineral Marialite-Na dapat dilihat di mindat.org, situs web terkemuka tentang …Are you a member of The Church of Jesus Christ of Latter-day Saints? If so, you may already be familiar with the convenient online platform, store.lds.org. Renewing your LDS store ... Monoclinic. Name: From the ancient Persian lazhward, meaning "blue", in allusion to the color. Name changed to azurite in 1824 by François Sulpice Beudant. Type Locality: ⓘ Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France. A secondary copper mineral frequently found in the oxidized zones of Cu ... Specific Gravity: 6.98 - 7.01. Crystal System: Tetragonal. Member of: Rutile Group. Name: The mineral name is derived from the term “Cassiterides” which was applied to 'islands off the western coast of Europe' in pre-Roman times. The exact location of these 'islands' has been hotly debated over the years.The French spelling, "Cyanite", was commonly used by mineralogists through much of the 19th and early 20th centuries. Common metamorphic silicate mineral. The generally bluish colour is caused by Fe (II)-Fe (III) charge transfer (Faye and Nickel, 1969). Visit gemdat.org for gemological information about Kyanite.Search for Minerals in a Country/Top Level Administrative Region. Enter a mineral name (eg Almandine ), and select a country/top level administrative region and this search will find all localities within the region containing that mineral. Mineral Name: Region: - Please Select - 162173 Ryugu Aegean Sea Plate Afghanistan …Introduction. Mindat.org is the world’s leading authority on minerals and their localities, deposits, and mines worldwide. Mindat.org’s mission is to advance the world’s understanding of minerals. Mindat.org has been collecting, organising, and sharing mineral information since October 2000. It is now an essential resource … a trade name for any white feldspar with a blue schiller. Commonly microcline rarely orthoclase, and the plagioclase series. contains albite with its variety peristerite has moonstone's blue schiller Antiperthite and anorthoclase may show schiller similar to moonstone and have been lumped together in moonstone. Quartz is one of the most common and diverse minerals on earth, and mindat.org is the largest and most comprehensive mineral database and reference website on the internet. Learn about the properties, varieties, localities, and photos of quartz from different sources and contexts. Explore the fascinating world of quartz with mindat.org. Mindat Fellows 2024. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events. BoysTown.org is a non-profit organization dedicated to providing life-changing support and services to at-risk youth. By donating to BoysTown.org, you are directly contributing to ... Eudialyte is a colorful and rare mineral that belongs to the Eudialyte Group. It is mainly found in alkaline and peralkaline rocks, and often contains rare-earth elements and zirconium. Learn more about its chemical formula, crystal structure, physical properties, and localities at mindat.org, the largest mineral database and reference website on the internet. La labradorite est un minéral qui peut présenter un effet optique iridescent (ou schiller) appelé labradorescence. Ce phénomène est dû à une structure lamellaire causée par un processus d'exsolution lié à un écart de miscibilité. L'effet est visible lorsque la séparation lamellaire est comprise entre 128 et 252 nm. Découvrez les propriétés, les données et …Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite.Tourmaline (synonymous with tourmaline group) comprises trigonal borosilicates of the cyclosilicate superclass. The nomenclature was revised by Henry et al. (2011). Notes on the general formula: - Additional cations are reported substituting in minor amounts for the principal cations of the G and D sites.North Carolina (/ˌkærəˈlaɪnə/, KARR-ə-LY-nə) is a state in the Southeastern region of the United States. The state is the 28th-largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and South Carolina to the south, and Tennessee to the west.Mindat.org is a dynamic database, with new information, localities and photographs continuously being added, verified, and updated by thousands of members across …About Plancheite Hide. Pale blue to deep blue, pale greenish blue. Named by A. Lacroix in 1908 in honor of François Gilbert Planche (4 June 1866, Tarare, Rhône-et-Loire, France - 24 May 1924, Gap, Hautes-Alpes, France), was an industrialist and a politician. He built dams and power plants, and founded several rail companies.Halite is a common mineral that forms cubic crystals of various colors and sizes. It is also known as rock salt and is used for various purposes. Learn more about halite's properties, occurrences, associations, and uses at mindat.org, the largest mineral database and reference website on the internet.mindat.orgMindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ..."Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less …Marialite-Na adalah mineral dari kelompok scapolite, yang memiliki kandungan natrium dan klorin yang tinggi. Mineral ini ditemukan di beberapa lokasi di dunia, termasuk Italia, Kanada, dan Tanzania. Informasi lebih lanjut tentang sifat dan data mineral Marialite-Na dapat dilihat di mindat.org, situs web terkemuka tentang …Adularia is a potassium-rich feldspar mineral that forms in low-temperature environments. It has a characteristic pearly or opalescent luster and can be found in many localities around the world. Learn more about its properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the …Associated Minerals Based on Photo Data: 20 photos of Fassaite associated with Pleonaste. (Mg,Fe)Al2O4. 17 photos of Fassaite associated with Vesuvianite. Ca19Fe3+Al4(Al6Mg2) ( 4) [Si2O7]4[ (SiO4)10]O (OH)9. 12 photos of Fassaite associated with Calcite. CaCO3.Internet Links for GirvasiteHide · mindat.org URL: https://www.mindat.org/min-1700.html. Please feel free to link to this page. · Search Engines: Look for ...The purpose of the preamble is the outline the reasons behind the writing of the U.S. Constitution and the goals of the document. Constitutioncenter.org identifies the purpose of t...Mimetite is a lead arsenate chloride mineral that often resembles pyromorphite. It forms prismatic, hexagonal or acicular crystals with various colors and lusters. Mindat.org provides detailed information about mimetite's formula, structure, properties, occurrences, photos and more.Back to good organic growthSTOCKHOLM, April 28, 2021 /PRNewswire/ --First quarterNet sales decreased by 2% to SEK 21,805 M (22,173), with good org... Back to good organic growth ST...Smithsonite is a zinc carbonate mineral that was named after James Smithson, the founder of the Smithsonian Institution. On mindat.org, you can find detailed information about the properties, occurrence, and photos of this mineral from various localities around the world. Whether you are a collector, a researcher, or a curious learner, you will enjoy exploring …Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...The official website of The Church of Jesus Christ of Latter-day Saints, commonly known as LDS.org, is a valuable resource for members and non-members alike. The homepage of LDS.or...Mindat.org is a dynamic database, with new information, localities and photographs continuously being added, verified, and updated by thousands of members across …A greasy, wax-yellow to reddish-brown weakly radioactive mineral, most commonly found in metamorphic rocks and pegmatites, associated with allanite, cerite, tysonite, fluorite, and tornebohmite. The group members may be part of the Bastnäsite-Vaterite Homologous Series.mindat.orgMindat Fellows 2024. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your …Chromite is a versatile mineral that belongs to several series of iron and chromium oxides. Learn about its properties, occurrences, associations, and uses at Mindat.org, the largest and most comprehensive mineral database and reference website on the internet. a trade name for any white feldspar with a blue schiller. Commonly microcline rarely orthoclase, and the plagioclase series. contains albite with its variety peristerite has moonstone's blue schiller Antiperthite and anorthoclase may show schiller similar to moonstone and have been lumped together in moonstone. Roselite Group. Name: Named in 1824 by Armand Levy in honor of German mineralogist Gustav Rose [March 18, 1798 Berlin, Germany – July 15, 1873 Berlin, Germany], Professor of Mineralogy, University of Berlin. Type Locality: ⓘ Rappold Mine, Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany. Dimorph of:Sphalerite Group. Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear to white crystals (known as Cleiophane ). Yellow to orange sphalerite is often called "golden sphalerite." Red shades of sphalerite are known as Ruby Blende or Ruby Jack.Chalcedony is a variety of quartz that forms in different colors and patterns. Learn more about this fascinating mineral, its properties, localities and history at mindat.org, the largest online database of minerals and geology.Mindat.org - Mines, Minerals and MoreChemistry of Staurolite Hide. Mindat Formula: Fe2+2Al9Si4O23(OH) The formula can also be considered as alternating layers of kyanite and oxide, and so can be recast as: 4Al 2 O [SiO 4]. AlFe 2+2 O 4 H. Elements listed: Al, Fe, H, O, Si - … There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA (International Mineralogical Association) defined it as: View from mars rover ... NASA's Mars Perseverance rover acquired this image using its Right Mastcam-Z camera. Mastcam-Z is a pair of cameras located high on the ...This database contains worldwide information on minerals, mineral localities and other mineralogical information. In part supported by advertising, it …mindat.orgIn today’s digital age, technology has revolutionized the way we manage our healthcare. One such innovation is the KP.org login, a secure online portal that allows Kaiser Permanent...Mindat.org is a non-commercial interactive online database covering minerals across the world. Originally created by Jolyon Ralph as a private project in 1993, it was …Welcome to the new photo search tool on mindat.org. Enter a normal text string in the box above to search photos. Examples: search for a mineral: cuprite. search for a locality/region: from new jersey. search for a mineral at a locality: dioptase from tsumeb. search your own photos: my cuprite from namibia. list photos of the day: … Eudialyte is a colorful and rare mineral that belongs to the Eudialyte Group. It is mainly found in alkaline and peralkaline rocks, and often contains rare-earth elements and zirconium. Learn more about its chemical formula, crystal structure, physical properties, and localities at mindat.org, the largest mineral database and reference website on the internet. Tourmaline (synonymous with tourmaline group) comprises trigonal borosilicates of the cyclosilicate superclass. The nomenclature was revised by Henry et al. (2011). Notes on the general formula: - Additional cations are reported substituting in minor amounts for the principal cations of the G and D sites.Name: For the elements calcium, vanadium, and silicon in the composition. Type Locality: ⓘ Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA. Dimorph of: Pentagonite. Ishida et al. (2009) suggest that cavansite is a low-temperature form and pentagonite a high-temperature form. To distinguish pentagonite and cavansite one can ...mindat.orgMindat org
“As Christians, we believe that we have been given responsibility over every little thing on this planet.” When evangelical environmentalists talk about climate change, they don’t ... Mindat.org is the world's leading website about minerals and where they come from. The following result(s) were found: Search returned: 376 items. Only items listed in bold are recognised mineral species. ... Mindat.org is an outreach project of ... Introduction. Mindat.org is the world’s leading authority on minerals and their localities, deposits, and mines worldwide. Mindat.org’s mission is to advance the world’s understanding of minerals. Mindat.org has been collecting, organising, and sharing mineral information since October 2000. It is now an essential resource used daily ... Name in honor of Arie Poldervaart (6 July 1918, Bandung, Indonesia – 28 October 1964, Manhattan, New York, USA), petrologist at Columbia University, New York. He made important contributions to the understanding of the South African Karoo dolerites and Archean rocks in the Kakamas area of northwest Cape Province. Dark or black iron rich (10% of the magnesium site) dolomite found as euhedral crystals embedded in gypsum-rich marls, originally described from Teruel, Aragón, Spain. The name has been used in recent times for similar dolomite crystals of any colour,... Zinc-bearing Dolomite. A variety of dolomite containing Zinc. There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA ( International Mineralogical Association) defined it as: "A mineral is an element or a chemical compound that is normally crystalline and that has been formed as a result of geological processes." Mindat.org is a dynamic database, with new information, localities and photographs continuously being added, verified, and updated by thousands of members across …The most simple Ce mineral known. Cerianite generally forms as an oxidation product of Ce 3+ -bearing minerals. Formation under hydrothermal oxidative conditions is rare. One of three currently recognized minerals with tetravalent cerium, beside dyrnaesite- (La) and stetindite. May be non-stoichiometric and bear some Ce (III) and vacancies. Search for Minerals in a Country/Top Level Administrative Region. Enter a mineral name (eg Almandine ), and select a country/top level administrative region and this search will find all localities within the region containing that mineral. Mineral Name: Region: - Please Select - 162173 Ryugu Aegean Sea Plate Afghanistan African Plate Akrotiri ... 版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。 隐私政策 ...Quartz is one of the most common and diverse minerals on earth, and mindat.org is the largest and most comprehensive mineral database and reference website on the internet. Learn about the properties, varieties, localities, and photos of quartz from different sources and contexts. Explore the fascinating world of quartz with …Cornetite is a rare copper phosphate mineral with a striking blue color and a complex crystal structure. Learn more about its properties, occurrence, and history at Mindat.org, the largest and most comprehensive mineral database and reference website on the internet.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ... Type Locality: ⓘ Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia. Adelite-Descloizite Group. Conichalcite-Duftite Series. Duftite-Mottramite Series. Duftite-alpha is possibly a variety of Duftite isostructural with descloizite (for literature see duftite). Modern studies needed. Calcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties. NOTE on the unit cell and …mindat.orgName: Named in 1852 by Johann Friedrich August Breithaupt for the type locality, Barranco Jaroso in southern Spain. Type Locality: ⓘ Jaroso Ravine, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain. The most common member of the alunite supergroup. The Fe (III) analogue of alunite. Welcome to the new photo search tool on mindat.org. Enter a normal text string in the box above to search photos. Examples: search for a mineral: cuprite. search for a locality/region: from new jersey. search for a mineral at a locality: dioptase from tsumeb. search your own photos: my cuprite from namibia. list photos of the day: potd. Andalusite is a silicate mineral that occurs in metamorphic rocks and has a distinctive cross-shaped crystal habit. Learn more about its properties, occurrence, and uses at mindat.org, the world's largest mineral database and reference website.Named after Matthias Joseph Anker (1771-1843), Styrian (Austria) mineralogist. Originally considered to be Ca (Mg,Fe) (CO 3) 2 (eg. Hey, 1955, with >10% FeCO 3) with no specific requirement for Fe>Mg, before being redefined as strictly having Fe>Mg, i.e. with the dominant endmember CaFe (CO 3) 2. It was commonly given …Mindat.org - Mines, Minerals and MoreErionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. This name now refers to a group of related minerals. Erionite minerals have the average chemical formula Ca3K2Na2 …If you are a medical professional looking for comprehensive resources and benefits, you may have heard of ACP Benefits Org. One of the biggest benefits of applying for ACP Benefits... Cinnabar is a mineral with a bright red color and a high mercury content. It is one of the three forms of mercury sulfide, along with metacinnabar and hypercinnabar. On mindat.org, you can find detailed information, data and localities of cinnabar, as well as stunning photos of cinnabar crystals from different regions of the world. Learn more about this fascinating and rare mineral on mindat.org. Acanthite is the low-temperature modification of silver sulphide. All natural silver sulphide specimens at room temperatures are acanthite. The structure of Argentite, the high-temperature cubic (isometric) form cannot be quenched. At atmospheric pressure, argentite is stable above 177°C and acanthite is stable below 177°C. Although far superior celestine crystals were previously known from Sicily, they were thought to be barium-rich as the element strontium was not discovered until the late 1780s and not formally described until 1792. Type Locality: ⓘ Bell's Mill, Bellwood, Blair County, Pennsylvania, USA. Baryte Group. a trade name for any white feldspar with a blue schiller. Commonly microcline rarely orthoclase, and the plagioclase series. contains albite with its variety peristerite has moonstone's blue schiller Antiperthite and anorthoclase may show schiller similar to moonstone and have been lumped together in moonstone.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Actinolite is an intermediate member Actinolite-Tremolite Series. Tremolite is defined as having an Mg/(Mg+Fe 2+) ratio ≥ 0.9; actinolite has a ratio of 0.5–0.9 and ferro-actinolite has a ratio of less than 0.5. The name actinolite has been retained for petrological reasons in the nomenclature (Leake et al., 1997; Hawthorne et al. …Jean-Marc's Home Page ... I have collected minerals since I was fifteen. Ten years later, I started collecting micro-minerals. It was the very beginning of ...It was first discovered by the Scottish-born Kenyan gemologist Campbell R. Bridges (1937 – 11 August 2009), in Lemshuko, 15 km away from Komolo, in north-east Tanzania (Bridges, 1974). A variety of Grossular A trade name for a green Cr- and V-bearing variety of grossular. Major occurrences are in Kenya and Tanzania.mindat.orgThe purpose of the preamble is the outline the reasons behind the writing of the U.S. Constitution and the goals of the document. Constitutioncenter.org identifies the purpose of t...mindat.orgErionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. This name now refers to a group of related minerals. Erionite minerals have the average chemical formula Ca3K2Na2 …“As Christians, we believe that we have been given responsibility over every little thing on this planet.” When evangelical environmentalists talk about climate change, they don’t ...Although far superior celestine crystals were previously known from Sicily, they were thought to be barium-rich as the element strontium was not discovered until the late 1780s and not formally described until 1792. Type Locality: ⓘ Bell's Mill, Bellwood, Blair County, Pennsylvania, USA. Baryte Group.Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite. Hemimorphite is a valid mineral species with hemimorphic crystals and a chemical formula of Zn4Si2O7(OH)2·H2O. It occurs in various colors and forms, often associated with other minerals such as rosasite, calcite and plattnerite. Mindat.org is the largest and most comprehensive online database of minerals, mines and localities, where you can find detailed information, photos and references ... Renamed in 1832 by François Sulpice Beudant. According to Dioscorides, the original Greek names for the mineral were Στιβι "stibi", Στιμμι "stimmi", and Πλατνόπθαλμου. The former name became the Latin "stibium" and the old name for the element antimony (Sb). Named spiessglas in 1430 by Basil Valentine who … Mindat.org is the world's leading website about minerals and where they come from. Garnet Supergroup. Name: Named Carchedonius Garamanticus = Carthaginian or Garamantic Carbuncle in 77-79 by Pliny the Elder. Earlier named ΑνθραϪέ by Tyrtamus, commonly known by his honorary name, Theophrastus, possibly about 325-300 BCE, but seemingly a name also used for ruby spinel and red-pink …版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。 隐私政策 ... Chalcopyrite Group. Chalcopyrite-Eskebornite Series. A major ore of copper. Common in sulfide veins and disseminated in igneous rocks. Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals. Amphibole is a group of minerals with complex chemical compositions and diverse physical properties. They are important rock-forming minerals in many igneous and metamorphic rocks. Learn more about the amphibole supergroup, its classification, crystal structure, and occurrence at mindat.org, the world's largest mineral database. BoysTown.org is a non-profit organization dedicated to providing life-changing support and services to at-risk youth. By donating to BoysTown.org, you are directly contributing to ...Name: From the Greek αξίνα ("axina") for "axe", in allusion to the common habit of its crystals. Synonym: A synonym of Axinite Group. Localities listed here are where only 'axinite' is given as a reference. Most, but not all, 'axinite' is axinite- (Fe), i.e., the Fe-dominant member within the Axinite Group.mindat.orgCalcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties. NOTE on the unit cell and … mindat.org mindat.orgmindat.org; Hudson Institute of Mineralogy project MinDat.org; Mindat.org: The Mineral and Locality DatabaseOct 18, 2023 · Ralph Jolyon, mindat.org. This database contains worldwide information on minerals, mineral localities and other mineralogical information. In part supported by advertising, it stores data on 25,000 different minerals, varieties and synonyms listed with over 4,000 valid mineral and mineraloid names. The database is searchable by name ... Calcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties. NOTE on the unit cell and …Website addresses that end in “org” are not for profit organizations. These sites contain information that is generally considered to be reliable. Planned Parenthood, the American ...Mindat.org - Mines, Minerals and MoreNamed in 1845 by Alexander Löwe in honor of Johann Rudolf Ritter von Gersdorff [March 18, 1781, Bochnia, Galicia, Poland – April 30, 1849, Vienna, Austria], mining expert and owner of the nickel mine at Schladming (ca. 1842). With the description of polymorphs in 1982, the name was changed to gersdorffite-P2 1 3.Named after Matthias Joseph Anker (1771-1843), Styrian (Austria) mineralogist. Originally considered to be Ca (Mg,Fe) (CO 3) 2 (eg. Hey, 1955, with >10% FeCO 3) with no specific requirement for Fe>Mg, before being redefined as strictly having Fe>Mg, i.e. with the dominant endmember CaFe (CO 3) 2. It was commonly given …Erionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. This name now refers to a group of related minerals. Erionite minerals have the average chemical formula Ca3K2Na2 …Although far superior celestine crystals were previously known from Sicily, they were thought to be barium-rich as the element strontium was not discovered until the late 1780s and not formally described until 1792. Type Locality: ⓘ Bell's Mill, Bellwood, Blair County, Pennsylvania, USA. Baryte Group.Orthoclase: Mineral information, data and localities. - mindat.orgOrthoclase is a common potassium feldspar that forms igneous and metamorphic rocks. It has a monoclinic or triclinic crystal system and a hardness of 6. It shows perfect cleavage and a vitreous to pearly luster. Learn more about its properties, occurrence and …North Carolina (/ˌkærəˈlaɪnə/, KARR-ə-LY-nə) is a state in the Southeastern region of the United States. The state is the 28th-largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and South Carolina to the south, and Tennessee to the west. A rhodian variety of Gold. Gold containing 34 to 43 weight percent Rh has been reported from Columbia & Mexico, but not confirmed. Silver- and mercury-bearing Gold. A variety of gold, containing up to 31 weight percent of silver and up to 15 weight percent of mercury. Compare also Unnamed (Ag-Au Amalgam). Adularia is a potassium-rich feldspar mineral that forms in low-temperature environments. It has a characteristic pearly or opalescent luster and can be found in many localities around the world. Learn more about its properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the … mindat.org Monoclinic. Name: From the ancient Persian lazhward, meaning "blue", in allusion to the color. Name changed to azurite in 1824 by François Sulpice Beudant. Type Locality: ⓘ Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France. A secondary copper mineral frequently found in the oxidized zones of Cu ... Type Locality: ⓘ Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia. Adelite-Descloizite Group. Conichalcite-Duftite Series. Duftite-Mottramite Series. Duftite-alpha is possibly a variety of Duftite isostructural with descloizite (for literature see duftite). Modern studies needed. mindat.orgmindat.orgAndalusite is a silicate mineral that occurs in metamorphic rocks and has a distinctive cross-shaped crystal habit. Learn more about its properties, occurrence, and uses at mindat.org, the world's largest mineral database and reference website. Mindat Fellows 2024. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events. There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA ( International Mineralogical Association) defined it as: "A mineral is an element or a chemical compound that is normally crystalline and that has been formed as a result of geological processes." JW.org is a website that serves as the online home for Jehovah’s Witnesses. It offers a wide range of features and resources designed to provide users with valuable information abo...版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。 隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current …Mindat Fellows 2023. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events.mindat.org. 4,986 likes · 15 talking about this. Mindat.org is the world's most comprehensive mineral database and mineralogical reference website. Like this …Specific Gravity: 5.246 - 5.505. Crystal System: Monoclinic. Member of: Coronadite Group > Hollandite Supergroup. Name: Named in 1905 by Waldemar Lindgren in recognition of Francisco Vasquez de Coronado [1510 Salamanca, Spain - September 22, 1554, Mexico City, Mexico], a Spanish conquistador and explorer of the American southwest. Type …Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson .... Uc davis federal id number