Latest Discussions and Replies
32mDissolving calcite off malachite/ ChrysocollaPosted by Rehsif Yellos in Techniques for Collectors.
45mfound in The NetherlandsPosted by Alexander Turksma. 15 replies in Identity Help.
1hQuestions about heat treatmentPosted by Katie Mary. 4 replies in General.
1hOld Labels - show them, discuss them, translate them! (Volume 4)Posted by Gabriel Plattes. 17 replies in Education.
2hEuromineralexpo Milano 2024!Posted by Riccardo Modanesi. 3 replies to an article.2hDiamond meteorite impactPosted by Mark Bethune. One reply in Meteorites.
3hHi, this was sold to me on Etsy. The rocks looked different in their pictures and it was described as turquoise from Peru. Can you tell me what it really is?Posted by Marge J Roark. 3 replies in Identity Help.
4hTexasPosted by Kris Snedeker. 4 replies in Identity Help.
5hUpper Auluta River, Malaita Island, Malaita Province, Solomon IslandsPosted by The Evje og Hornnes geomuseum, Fennefoss. One reply in Localities.
7hOlmiite versus PoldervaartitePosted by Mario Pauwels. 26 replies in Improving Mindat.org.
7hFor managersPosted by Juan González. 4 replies in General.7hCrystallography: The Monoclinic SystemPosted by Donald B Peck. 5 replies to an article.
9hEhrigite?Posted by Richard Gunter in Photos.
9hProspect Park , unknown?Posted by Greg Dainty. 14 replies in Identity Help.
9hetched sphalerite from dalnegorsk; how did they form?Posted by Jean-Francois Carpentier. 5 replies in Field Collecting.
10hAnyone for a field trip?Posted by Eddy Vervloet. 7 replies in General.
10hSaint-Eustache Quarry (Carrière et pavage Saint-Eustache; Mathers Quarry), Saint-Eustache, Deux-Montagnes RCM, Laurentides, Québec, CanadaPosted by Tom Mortimer. 2 replies in Localities.
12hNorthern New Jersey traprock quarry -- Prospect Park?Posted by David Fryauff (2) in Identity Help.
12h⚠18 imagesLandscape or Picture AgatesPosted by Steve Ewens. 25 replies in General.
12h⚠16 imagesNature Thread Number 25Posted by Rolf Luetcke. 20 replies in General.
13h🦟 BUG: Rotated images?Posted by Alex Yu. 5 replies in Improving Mindat.org.
15hPending approvalPosted by Detlef Heilwagen. 10 replies in Photos.
15h⚠18 imagesJust for Fun volume 4Posted by Rolf Luetcke. 49 replies in General.
16hGraphics example (shown for plants) we could adapt for our mineral ID intro contentPosted by Frank K. Mazdab. 5 replies in Improving Mindat.org.16hWhen the locality newly added will be public?Posted by Haoran Gong. 8 replies in General.17hIn need of Researchers (Indonesian) helpPosted by Ryann O.. One reply in General.
17hDuplicate entries in Idaho, USAPosted by Vik Vanrusselt. 5 replies in Improving Mindat.org.17hTurn the Rand/Randsburg mining district (California) into a non-hierarchical locality?Posted by Vik Vanrusselt. 4 replies in Improving Mindat.org.17hPossible duplicate locality in Magdalena Municipality, Jalisco, Mexico: San Andreas vs San AndrésPosted by Vik Vanrusselt. One reply in Improving Mindat.org.18hMathewrogersitePosted by Lalith Aditya Senthil Kumar in General.19hLazurite with tugtupite from Afghanistan/Pakistan?Posted by Nick Gilly. 30 replies in General.
20hClear Creek Canyon, Goat Mountain, San Benito County, California, USAPosted by Ralph S Bottrill. 5 replies in Localities.22hberthierine page needs some workPosted by Herwig Pelckmans. 2 replies in Improving Mindat.org.1dA very good mineralogy book is requestedPosted by Giovanni M. Bertolini. 6 replies in Education.
1dPlease remove this photoPosted by Frank Karasti. 2 replies in Photos.
1dKearsarge Mine Houghton County MichiganPosted by Christian Aho. 2 replies in Identity Help.1dMineralogy book recomendationPosted by Giovanni M. Bertolini. 2 replies in The Rock H. Currier Digital Library.
1dEmma Mine Rhodochrosite?Posted by Richard Gunter. 4 replies in Photos.
1dDendrites on Mars?Posted by Steve Ewens. One reply in General.
1dNon-fluorescent Polylithionite?Posted by Richard Gunter. 4 replies in Photos.
1dBlue Beryl (Maxixe)Posted by Frank K. Mazdab. 3 replies in Minerals.
1dDouble Rainbow Mine South Dakota Purchased at a ShowPosted by Kim A. Strange. 8 replies in Identity Help.
1dThe Natural History Museum in OsloPosted by Knut Eldjarn. 26 replies to an article.1dCopper minerals exchange.Posted by jiang sheng. One reply in Mineral Exchanges.
1dLocality Help for an Old Collector!Posted by Harold (Hal) Prior. 8 replies in General.1dWhat does the ? behind the Rhodonite, mean.Posted by Greg Dainty. 39 replies in Education.1dDoes beryl twin?Posted by Nicholas Joseph Indelicato. 2 replies in General.1dPhoto for deletionPosted by Geoff Van Horn. 3 replies in Photos.
1d9 minerals published - The Canadian Journal of Mineralogy and Petrology April 22, 2024, Vol.62Posted by David Von Bargen. 3 replies in Mineralogical Classification.
1dMindat response very slow and sometimes timeoutPosted by Volker Betz. 5 replies in General.
1dMistaken identity... specimen from Cuasso al Monte, ItalyPosted by Beppe Finello. 14 replies in Photos.
2dLooking for RI bowenite, TN agate, ID star garnet, OR oregonite/josephinite--Have trade material.Posted by Dana Slaughter. 10 replies in Mineral Exchanges.2dLooking for: Micromounts from ConnecticutPosted by Nekkhi Murtishi. One reply in Mineral Exchanges.
2dBackgroundPosted by Lalith Aditya Senthil Kumar. 2 replies in Photos.
2dWarwick,NYPosted by TJJ (Thomas Logan). 6 replies in Identity Help.2dComplicated duplicate MinIDsPosted by Ed Clopton. 3 replies in Improving Mindat.org.
2d🦟 BUG: Linking articles to mineralsPosted by Olav Revheim in Improving Mindat.org.
2d🦟 BUG: About "Best of" pagePosted by Paul Brandes. One reply in Improving Mindat.org.
2dFT. LauderdalePosted by Hard Rock. 2 replies in Identity Help.2dBecoming a Mineral DealerPosted by Nekkhi Murtishi. 39 replies in General.
2dCentral Oregon - Green crystal found with zeolitesPosted by Erika Anderson. 10 replies in Identity Help.3dPOTD - rhyolite - polished section or ?Posted by Herwig Pelckmans. One reply in Education.
3dGlossary Question - Missing Definition?Posted by Steve Hardinger. 2 replies in General.
3dMisinformation - New Hampshire state AI generated localitiesPosted by Mathieu Butler. 3 replies in Fakes & Frauds.
3d⚠51 imagesShow us Your Recent Acquisitions - Volume 11Posted by Steve Hardinger. 85 replies in General.
3dWrong mineralPosted by Russ Rizzo. 2 replies in Photos.
3dMore rudists?Posted by Stefan M.. 8 replies in Identity Help.
3dDoubtful OjuelaPosted by Max Merlo. 3 replies in Photos.
3dCorrect term for multiple twinned crystalsPosted by Volker Betz in Education.
3dIncorrect SpellingPosted by Lalith Aditya Senthil Kumar. 2 replies in Photos.
3dPOTD - superb talc crystals - obtained from the acidification of the sample?Posted by Herwig Pelckmans. 3 replies in Education.
3dPhoto caption or advertisement?Posted by Russ Rizzo. 6 replies in Photos.
4dsan mateo county orbicular jasper?Posted by Henry Raab. 2 replies in Identity Help.
4dfound it in Clinton New JerseyPosted by Jon sciarrino. 4 replies in Identity Help.
4dMemphis Mine, Organ Mining District.Posted by Brighton Alfred. 3 replies in Identity Help.
4dI bought it online. Vendor didn't say where specifically from just that the main producing areas were USA, SpainPosted by Rebecca Tay. 2 replies in Identity Help.
4dPhilip's mine, Anthony's nose PegmatitePosted by Itsuki Imaeda. One reply in Identity Help.
4dIncorrect GrammarPosted by Lalith Aditya Senthil Kumar. One reply in Photos.
4dIncorrect SpellingPosted by Lalith Aditya Senthil Kumar. 2 replies in Photos.
4dWrong OjuelaPosted by Max Merlo. One reply in Photos.
