Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
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Latest Discussions and Replies

2m#MinCup26 - Round 1 Match 1 - Azurite vs. SmithsonitePosted by Ryan Hamel. 10 replies in General.5mCassiterite from Bunny mine in Cornwall Posted by Mark Redmond in Field Collecting.5mWarning - Lake OntarioPosted by Jolyon Ralph. 25 replies in Improving Mindat.org.12mI can't upload a photo Posted by Mark Redmond. 4 replies in Improving Mindat.org.24mAI captionsPosted by Michael J. Feldman. 20 replies in Photos.24mKindly change this photo caption due to wrong info (Macaulayite)Posted by Yash Redkar. 4 replies in Improving Mindat.org.1h⚠15 imagesSilicified (geodized) fossils from IndianaPosted by Bob Harman. 20 replies in Education.1hCalcareous TufaPosted by Ilia Soldatenko. 3 replies in Minerals.1hQuestions about storing behoitePosted by Mizhge shrimp. 2 replies in Techniques for Collectors.2hDuplicate rock entryPosted by Ilia Soldatenko. One reply in Improving Mindat.org.3hMount Isa /Cloncurry Posted by Costas Constantinides. 3 replies in Identity Help.3hThin section by handPosted by Kyle Beucke. 19 replies in Techniques for Collectors.4hWhy is my identification and location given as uncertain?Posted by Alain Guillet. 7 replies in Photos.4hSklodowskite type material Posted by Hamza Ilhan Sito. One reply in Improving Mindat.org.5hExploring my photo limitPosted by Tom Mortimer. 6 replies in Mineral Photography.7hMinerals published in August Mineralogical MagazinePosted by David Von Bargen in Mineralogical Classification.9hThe Phonolite of Aris (new book)Posted by Joachim Esche. 3 replies in General.14hRemarkable postcard from early TsumebPosted by Niels Brouwer. 20 replies in General.16hKeno Hill, Mayo mining district, Yukon, CanadaPosted by Patrick Haynes. 6 replies in Localities.16hImporting Uranium bearing minerals from Kenya to GermanyPosted by Simons Chemiebaukasten. 5 replies in General.17hMy Mineral Favorite Today!Posted by Harold (Hal) Prior. 24 replies in General.19hQuestionable origin for this Ruby on matrixPosted by Corentin Desseux. 3 replies in Photos.19hQuartzPosted by Ilia Soldatenko in Minerals.19hBeing able to see criticism on photosPosted by Itsuki Imaeda in Improving Mindat.org.20h⚠21 imagesMovie Names with Minerals!Posted by Jolyon Ralph. 274 replies in General.21hIncorrect SpeciesPosted by Lalith Aditya Senthil Kumar. 2 replies in Photos.21hУранофан-бетаPosted by Ilia Soldatenko in Minerals.23hIdentity uncertainPosted by Daniel Toro in Photos.1dCalcite? Rather laumontitePosted by Uwe Kolitsch. 3 replies in Photos.1dQuestions about Valid/Invalid Unnamed Minerals and UM codesPosted by Ilia Soldatenko. 4 replies in General.1dМелонжозефитPosted by Ilia Soldatenko. One reply in Minerals.1dQuestions about an old label, dated 1760Posted by øyvind enger. 39 replies in General.1dThe Hanjiangite I collected at the Shiti Mine.Posted by Ming Ye (叶茗). 9 replies in General.1dThis should be listed under disputed mine.Posted by Joel Williams. 2 replies in Photos.1dMt AnteroPosted by James Christopher. 7 replies in Identity Help.1dBellville, Marion County, Missouri, USAPosted by Mark D. Sherwood. 2 replies in Localities.1dWeird shape for "cobalt-bearing adamite"Posted by Uwe Kolitsch. 2 replies in Photos.1dAutoFOV V12Posted by Travis Olds to an article.1d⚠70 imagesPlease show us your recent acquisitions - volume 25Posted by Kevin Conroy. 128 replies in General.1dfinding direct message chains...Posted by Johannes Swarts. 3 replies in General.
 
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