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[ ] Photo of the Day 21st Jun 2021: Groutite from Blackwater Mine, Yazzie Mesa, Cane Valley Mining District, Apache County, Arizona, USA - submitted by Elmar Lackner. Click here to open. * Mineral species5,708 * Rock names3,022 * Other names44,781 * Localities373,752 * Occurrences1,363,643 * Photos1,127,477 * Articles2,966 * Glossary Items25,963 * Registered Users57,174 [logodark] Welcome Mindat.org is the world's largest open database of minerals, rocks, meteorites and the localities they come from. Mindat.org is run by the not-for-profit Hudson Institute of Mineralogy. 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Learn more about our past, and future. > History of mindat > Our future [network] Our Science Our 'big data' has been instrumental in major new discoveries. > Read about our scientific work > Mindat.org as your research partner [fieldwork] Fieldwork We organize field trips and conferences for our community. > Learn about our field trips > Learn about our responsibility policy Advertise Here - Click for Informationbannerbannerbannerbannerbanner bannerbannerbannerbannerbannerbannerbannerbannerbannerbannerbanner Article Icon Crystal Classics - 2021 Summer Open Day 12th June 2021 - LIVE REPORT A nice annual tradition is back! The Crystal Classics summer open day in the showroom in Somerset is on its way today! For some strange reason the British drawers are very popular with the British collectors. And it is the ideal opportunity to ... Article Icon Tucson April Show 2021 - Live Report (Virtual Show) 9th April 2021 - LIVE REPORT In 5 minutes TheRock.show is going live again! Today (9th of April) is just for VIP's so let me give you some sneaky previews. If you want to have a look yourself; here is the website: https:// therock.show/ Let me take you to TheMineral.show ... Article Icon Tucson Show 2021 - Live Report (Virtual Show) 29th January 2021 - LIVE REPORT Tucson is very different this year, with Covid preventing International travel and severely restricting what people can do there are only a few dealers actually trying to set up a real online presence in Tucson - so JTI (the company founded by Rock ... Article Icon The Etches Collection Museum of Jurassic Sea Life 27th October 2020 - LIVE REPORT We are in Kimmeridge, Dorset looking at this museum dedicated to Jurassic sea life fossils from the Jurassic Coast of England. The building They have an impressive AR app to show the creatures as they looked in life on your phone or ... Article Icon The Horniman Museum 4th October 2020 - LIVE REPORT On a rainy Sunday here in South London I'm taking the chance to visit a small museum with a very varied collection. I'll warn you in advance there's not much mineralogical, but they do have a paleontology section. The classic Victorian ... Recent Articles * Article IconDreikanter and other VentifactsAlfredo Petrov - Yesterday * * Article IconCrystal Classics - 2021 Summer Open DayTom Costes - 12th Jun 2021 * * Article IconHumite group minerals in the Franklin marble, USAOlav Revheim - 7th Jun 2021 * * Article IconRice Northwest Museum of Rocks and MineralsKevin Conroy - 5th Jun 2021 * * Article IconTaming Asbestos - Collecting/Owning Asbestiform MineralsFrank M Craig - 6th Jun 2021 * * More ArticlesClick here to see more recent articles Mineral Dealers * News Icon21st Jun - Cape MineralsNew Stock Loaded * News Icon20th Jun - David K. JoyceLazaraskeite -World's Best! * News Icon19th Jun - Shanghai crystal culture ...New Fresh China mineral videos * News Icon17th Jun - mineralman.comAmazing Auctions ENDING NOW! * News Icon14th Jun - BluegemsBluegems update. * More Dealer NewsClick here to view all recent dealer news Community Discussions * Green calcite/black chalcedony, or something else ...17:24 16th Jun 2021 - posted by Shawn Rodgers * POTD - harrisite - mineral or rock ?03:45 19th Jun 2021 - posted by Herwig Pelckmans * Please help me identify this stone.17:45 21st Jun 2021 - posted by Thierry Montaudon * Colloquial terms for distinctive specimens.07:15 24th Nov 2020 - posted by Gabriel Plattes * Greenvale Reservoir, Greenvale, City of Hume, ...12:32 21st Jun 2021 - posted by Uwe Kolitsch * Recent DiscussionsClick here to view all recent discussions Recent Locality Updates * Planner Alp, AustriaUwe Kolitsch * Donnersbach, AustriaUwe Kolitsch * Lassing talc mine, AustriaUwe Kolitsch * Strechau, AustriaUwe Kolitsch * Reiflingviertel, AustriaUwe Kolitsch * Live UpdatesView all changes in real time New Minerals * Tennantite-(Cu)Cu[6](Cu[4]Cu[2])As[4]S[13] * YakubovichiteCaNi[2]Fe^3+(PO[4])[3] * Graulichite-(La)LaFe^3+[3](AsO[4])[2](OH)[6] * MoabiteNiFe^3+(PO[4])O * ShagamiteKFe[11]O[17] * Protocaseyite[Al[4](OH)[6](H[2]O)[12]][V[10]O[28]] * 8H[2]O Our Supporters Please click here to learn how you can help us to keep mindat.org operating. 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