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mindat.orgType Locality: ⓘ Wheal Jane (Falmouth Consolidated Mines), Cornwall, England, UK. Isostructural with: Metaswitzerite, Sterlinghillite, Switzerite. A secondary phosphate mineral in complex granitic pegmatites; also found in polymetallic veins. Visit gemdat.org for gemological information about Ludlamite. 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 ... Quartz is one of the most common and versatile minerals, with many varieties and optical properties. Learn more about its chemical composition, crystallography, physical properties, classification, origins, and localities at mindat.org, the largest mineral database and reference website on the internet.קאליפארניע, פאראייניקטע שטאטן פון אמעריקע. Kalifọ́rníà. Kaliforniya, Dewletê Amerikayê Yewbiyayey. Californië, Vereênigde Staeten. California, IMelika. NOTE: The bibliography for California mineralogy is very extensive. Only references pertaining to the entire state are presented here. Specific ...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 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. This database contains worldwide information on minerals, mineral localities and other mineralogical information. In part supported by advertising, it …If you’re a member of The Church of Jesus Christ of Latter-day Saints, you may be familiar with the convenience of shopping on store.lds.org. This online store offers a wide range ...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 ...If you have not yet registered with mindat.org, click here. Forgotten your password? click here. Your IP address is 40.77.167.80. Email: Password: Mineral and/or Locality . Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.Mindat.org was founded by Jolyon Ralph, based on an earlier DOS/Windows application called Mindat that was started in 1993. This is the story of how mindat.org ... 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 ... 全球矿物数据库网站 ( Mindat.org )为非赢利性在线数据库,号称是互联网上最大的 矿物 数据库和 矿物学 参考网站。. 为专业矿物学家、 地质学家 和业余矿物收藏者所使用。. 该网站包含了重要矿产条目、地点和照片目录。. 注册编辑者可在定期更新的数据库中 ... 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. …Libethenite is a secondary copper phosphate mineral found in the oxidized zone of copper ore deposits. The phosphate is often derived from the weathering of apatite and other rock-forming phosphates such as monazite and xenotime. A rare case of probable primary libethenite from a greisen deposit is reported by Sejkora et al. … Mindat.org is the world's leading website about minerals and where they come from. 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 ...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 an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Aragonite is a fascinating mineral that can form in various shapes, colors and patterns. It is also a polymorph of calcite and a main component of ammolite, a rare and colorful gemstone. Learn more about aragonite's properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the …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...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 ...mindat.org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 …Named in honour of Catalan gemmologist Joan Abella i Creus (born 13 December 1968, Sabadell, Catalonia, Spain) who has long studied the minerals of the Eureka mine and also found the mineral. Type Locality: ⓘ Eureka mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, El Pallars Jussà, Lleida, Catalonia, Spain. Dimorph of: Abellaite. 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 the world's leading website about minerals and where they come from.Datolite is a rare mineral that forms in cavities of basaltic rocks, often with zeolites and other minerals. It has a wide range of colors and crystal habits, and is highly sought after by collectors. Learn more about datolite's properties, occurrence, and associations at mindat.org, the world's largest mineral database.Name: 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.Selenite is a transparent variety of gypsum, a common mineral with many uses and applications. Learn more about its properties, localities and associations at Mindat.org, the largest and most comprehensive mineral database and reference website on the internet. 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 ... mindat.orgType 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.Quartz is one of the most common and versatile minerals, with many varieties and optical properties. Learn more about its chemical composition, crystallography, physical properties, classification, origins, and localities at mindat.org, the largest mineral database and reference website on the internet.18 Jan 2024 ... 1.68% of all Gold deposits have Arsenic. * in exploitable quantities, based on associations listed on mindat.org. Companies producing GoldHide. Search Minerals By Chemistry. To use the chemical search form click on an element to select it (matches MUST INCLUDE this element.) It will turn yellow. Click again to mark it as excluded (matches MUST NOT INCLUDE it), it turns black. Noble gasses and elements not found in nature are excluded. When finished hit one of the search buttons. "Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less …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.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 …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 …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.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. …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. 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. 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 ...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.Currently used as a field-term unidentified massive hydroxides and oxides of iron, with no visible crystals, and a yellow-brown streak. 'Limonite' is most commonly the mineral species goethite, but can also consist of varying proportions of lepidocrocite, hematite and/or maghemite, along with impurities of other minerals such as quartz and clay s.Named in 1883 by Gustav Tschermak for the river Drau (in Latin, Drave), on which the type locality is situated. Type Locality: ⓘ Dobrova pri Dravogradu, Dravograd, Slovenia. A very common member of the Tourmaline Group. Dravite-Elbaite Series, Dravite-Schorl Series. The Mg analogue of schorl. 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. mindat.orgMindat.org has an enormous resource of educational articles and other content, and whether you're a beginner or an expert we have all the information you need. These have been divided into three sections: Introductory Articles These articles are suitable for everyone wanting to learn about rocks and minerals. 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. mindat.orgAssociated 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.This page lists the most recent photo galleries put together by members of mindat.org. Anyone can create their own gallery, log in, go to the …Chalcocite is a copper sulfide mineral with a hexagonal crystal structure and a metallic luster. It is a valuable ore of copper and a source of various copper minerals. Learn more about its properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the internet.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 …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 …HelpForgottenJews.org is a non-profit organization that aims to provide aid and support to Jewish communities around the world who have been forgotten or neglected. If you are inte...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.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 ...mindat.orgmindat.org mindat.org 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. mindat.org 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 …Quartz is one of the most common and versatile minerals, with many varieties and optical properties. Learn more about its chemical composition, crystallography, physical properties, classification, origins, and localities at mindat.org, the largest mineral database and reference website on the internet.HelpForgottenJews.org is a non-profit organization that aims to provide aid and support to Jewish communities around the world who have been forgotten or neglected. If you are inte...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 … Nearest Localities. This tool can help you search for nearby mineral localities. Please note that if you are running from a device without GPS (eg a normal computer or laptop) the 'Get my current location' option may either not work at all or give wildly inaccurate results. Please remember the 'Get my current location' option will, on a ... Selenite is a transparent variety of gypsum, a common mineral with many uses and applications. Learn more about its properties, localities and associations at Mindat.org, the largest and most comprehensive mineral database and reference website on the internet.In today’s fast-paced business environment, staying organized and maintaining clear lines of communication within an organization is crucial. One effective tool that can help achie...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 …Mindat.org has been the world's best mineral website for 21 years. Learn how to use it and find some of the hidden power features in this very first …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.Anglesite is a lead sulfate mineral that forms from the oxidation of galena. It can form stunning crystals with various colors and shapes. Learn more about this mineral and its properties, occurrence, and associations at mindat.org, the world's largest mineral database.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 ... 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. 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. Magnetite is an important, strongly magnetic iron ore, along with hematite. Nanoinclusions of magnetite crystals cause the iridescence of Rainbow obsidian (Nadin, 2007). Extremely thin layers of 200-nm octahedral crystals of magnetite give some basalt surfaces an iridescent sheen (Nadin, 2007). May precipitate from supersaturated volcanic gas ... 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.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 .... mindat.orgAbout Plancheite Hide. Pale blue to deep blue, pa 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 the Miller indices ... Nearest Localities. This tool can help you search for nearby mi Are you curious about your family’s past? Have you ever wanted to trace your lineage back to the beginning of time? With FamilySearch.org, you can do just that. FamilySearch.org is...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. a trade name for any white feldspar with a ...

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