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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 …Crystal System: Triclinic. Member of: Aenigmatite Group &gt Sapphirine Supergroup. Name: From the Greek αίνιγμα ("aenigma"), "a riddle", alluding to the enigmatic, uncertain chemical composition of the mineral. Named in 1865 by Breithaupt. Co-Type Localities:Crystal System: Triclinic. Member of: Aenigmatite Group &gt Sapphirine Supergroup. Name: From the Greek αίνιγμα ("aenigma"), "a riddle", alluding to the enigmatic, uncertain chemical composition of the mineral. Named in 1865 by Breithaupt. Co-Type Localities:Are you curious about your family’s roots? Do you want to uncover the stories of your ancestors and understand your heritage better? Look no further than FamilySearch.org, a powerf...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 ...

Sillimanite is a rare and valuable mineral that forms under extreme conditions of heat and pressure. Learn more about its properties, occurrence and uses at Mindat.org, the largest and most comprehensive website for …

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 ...

Covellite is a rare copper sulfide mineral with a striking iridescent blue color. It forms in high-sulfidation environments, often associated with other copper minerals. Learn more about its properties, occurrence, and uses at mindat.org, the largest and most comprehensive mineral database online.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.org - Mines, Minerals and MoreRegistration 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 ...Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite.

Mindat.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.

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.

There are several ways to get free used carpet, including by using a website such as Craigslist.org or Freecycle.org. It’s also possible to get new carpet for free by contacting la...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.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, …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 ...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 is the world's leading website about minerals and where they come from. Mineral Names - mindat.org. Mindat.org is the largest database of minerals, mineral photos and mineral localities online. If you have not visited this site before then I …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...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.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...

Descloizite is a rare zinc and vanadium mineral that forms brown to black crystals with various habits. It is often associated with other secondary minerals in oxidized zones of base metal deposits. Learn more about its properties, occurrence, and uses at Mindat.org, the largest and most comprehensive mineral database 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 ...

In today’s digital world, websites play a significant role in disseminating information and connecting people from all walks of life. One such website that has gained immense popul...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.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. … 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 ... Co-Type Localities: ⓘ Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic. ⓘ Breitenbrunn, Breitenbrunn, Erzgebirgskreis, Saxony, Germany. Fluorite Group. Fluorite is found as a common gangue mineral in hydrothermal veins, especially those containing lead and zinc minerals. It is also found in some …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.orgCornetite 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.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 …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.

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.

ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0014806: Francevillite: Mereiter K (1986) Crystal structure refinement of two francevillites, (Ba,Pb)[(UO2)2V2O8]*5H2O Neues Jahrbuch fur Mineralogie, Monatshefte 1986 552-560 1986: Mounana, near Franceville, Gabon: 0: 293: 0014807

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. 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. Name: From the Greek κύλιυδροσ, a roll, in allusion to the typical cylindrical habit of the mineral. Type Locality: ⓘ Santa Cruz Mine, Poopó, Poopó Province, Oruro, Bolivia. Cylindrite Group. There is a relation between the cylindrical morphology and crystal structure. The latter is composite and characterizes in incommensurate ...ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0014806: Francevillite: Mereiter K (1986) Crystal structure refinement of two francevillites, (Ba,Pb)[(UO2)2V2O8]*5H2O Neues Jahrbuch fur Mineralogie, Monatshefte 1986 552-560 1986: Mounana, near Franceville, Gabon: 0: 293: 0014807Opal adalah mineral silika amorf yang memiliki warna-warni yang berubah-ubah karena difraksi cahaya. Opal memiliki berbagai varietas, seperti Opal-AG, Opal-AN, Opal-CT, dan Opal-C, yang berbeda dalam struktur dan komposisi kimianya. Situs mindat.org menyediakan informasi lengkap dan terpercaya tentang opal, …mindat.orgMindat.org is the world's leading website about minerals and where they come from.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...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 Brazilianite Hide. Chartreuse yellow, pale yellow, yellow green, colourless; coloured varieties are colourless in transmitted light. Named by Frederick Harvey Pough and Edward Porter Henderson in 1945 for the type locality country, Brazil, where it was first found. Visit gemdat.org for gemological information about …

mindat.orgDatolite 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.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...Mindat.org is the world's leading website about minerals and where they come from.Instagram:https://instagram. shemal sabrina suzukioppenheimer showtimes near amc ward parkwaygo vols 247 sportsbest of taylor swift In today’s digital world, websites play a significant role in disseminating information and connecting people from all walks of life. One such website that has gained immense popul... june 17 weather 2023affordable airbnb near me 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. metacareers 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.Spodumene is a lithium-bearing mineral that occurs in granitic pegmatites and some metamorphic rocks. It is a source of lithium and a gemstone with various colors. Learn more about its properties, occurrence, and uses at mindat.org, the largest mineral database and reference website on the internet.