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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.This database contains worldwide information on minerals, mineral localities and other mineralogical information. In part supported by advertising, it … Mindat.org is the world's leading website about minerals and where they come from. Originally described in the 19th century from the Slyudyanka phlogopite mines area, Lake Baikal, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Blue Diopside. Usually granular diopside forming monomineral zones in magnesium skarns in some regions of Prebaikalie.

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mindat.org 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.

Registration is required to post to the messageboard (text and photos), but you DO NOT have to request activation to post messages and photos to the Discussions ...The most common simple iron oxide mineral. A weathering product of numerous iron-bearing minerals. Goethite may crystallize from a precursor - a not approved species called 'proto-goethite'. May also form due to mineralization of lichen ( Parmelia conspersa) thalli on metamorphics (e.g., gneisses), granites, feldspars.Named in honor of Arthur Charles Davy Pain (23rd June 1901, Exmouth, England, UK - 27th August 1971, Exmouth, England, UK), mineralogist and gemmologist who first noted it as an interesting crystal. Type Locality: ⓘ Ohngaing, Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar.mindat.org 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.

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.

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.

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). 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 … 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. mindat.orgMindat.org is the largest database on mineralogy ever created. Users can add the infos about a specie and a locality and that's how the website grows up!! Also, …

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 ... 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. 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 …22 Jan 2024 ... Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete ...mindat.org an online mineralogical reference and locality resource for collectors and mineralogy students worldwide MINER MINER est un produit développé en …

Ilmenite: Mineral information, data and localities. - mindat.orgIlmenite is a titanium-iron oxide mineral that is one of the main sources of titanium. It occurs in various geological settings, from igneous to metamorphic rocks. Learn more about its properties, occurrence, associations, and uses on mindat.org, the largest online …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 ...

Galena is a common and important lead ore mineral that has a metallic luster and cubic crystals. Learn more about its properties, occurrence, associations, and uses at mindat.org, the largest mineral database and reference website on the internet. 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. In today’s fast-paced business environment, effective communication is crucial for the success of any organization. One way to enhance communication and collaboration within your t...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 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 … 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 ... WNYC.org, the online platform for New York City’s premier public radio station, is dedicated to providing high-quality journalism, in-depth reporting, and thought-provoking program...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.

Mindat.org is the largest database on mineralogy ever created. Users can add the infos about a specie and a locality and that's how the website grows up!! Also, …

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 …

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 ...Here are links to different search pages that allow you to search for minerals or find minerals with particular properties. Search for minerals by physical properties. …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 ...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 …Coquimbite Group. Name: Named in 1841 by August Breithaupt for the type locality in the province of Coquimbo, Chile. Type Locality: ⓘ Coquimbo, Chile. Visually indistinguishable from aluminocoquimbite. Coquimbite and paracoquimbite are structurally homeotypic. Most (or all, if the species is truly coquimbite) samples carry Al, with variable ...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 ...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 ...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 …mindat.org 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 ...

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.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 ...Usually found as matte-black powdery to fibrous crusts, sometimes in botryoidal aggregates or columnar, more rarely as druzes of small prismatic to tabular, dark grey metallic crystals. May be confused with some manganese oxides such as todorokite (fibrous variants) and manganite (tabular crystals). NOTE: No valid pyrolusite dendrites are known.Instagram:https://instagram. california dmv combrand taylor swiftallan bruce rothschild net worthbungee rope walmart Mindat.org - Mines, Minerals and More eras tour part 2topix evansville indiana 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 … find a grave iowa usa 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 ...