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1d Women and Leadership in Mining, South AfricaPosted by Sudhira Sewsunker.3d ChrysocollaPosted by Alex Earl. 12 replies.2w Deformed HematitePosted by Georg Graf. 6 replies.3w Seeking advise on "biotite" analysisPosted by Olav Revheim. 3 replies.3w Cool crocoite POTD !Posted by Herwig Pelckmans. 3 replies.4w International System of UnitsPosted by Stephen Boylan. 2 replies.4w POTD - whitmoreite - "naval mine habit"Posted by Herwig Pelckmans. 12 replies.5w Abstracts of Journal of Gemmology Vol 39(6)Posted by Herwig Pelckmans. One reply.5w Phase transformations within polycrystalline materialsPosted by James Catmur.5w Open Access: Atacamite Cu2⁒Cl⁒(OH)3 in High Magnetic Fields: Quantum Criticality and Dimensional Reduction of a Sawtooth-Chain CompoundPosted by Meinrad Kempf.7w Bi color epidote. Pakistan.Posted by Greg Dainty. 5 replies.8w Fluorescence in IR range?Posted by Jeff Weissman. 14 replies.8w What is this calcite habit?Posted by Jay Man. 2 replies.9w Why we always say color is no good for identifying minerals...Posted by Eddy Vervloet. 4 replies.10w Crystal ViewerPosted by Johan Lagrange. 4 replies.12w Adding an image directly to one's catalog entryPosted by A. Y.. 6 replies.14w Rock Mineral Identification MethodPosted by Stephen Boylan. One reply.Apr 2025 Locality search helpPosted by John in Sonora. 9 replies.Apr 2025 Manganese mineral identifation.Posted by Costas Constantinides. 10 replies.Apr 2025 Changing the Colour of BerylPosted by Owen Melfyn Lewis. 11 replies.Apr 2025 POTD - Missouri, Buick Mine - galena stalactite !Posted by Herwig Pelckmans.Mar 2025 USA’s Oldest Rock? A Simple Question with a Complex AnswerPosted by Herwig Pelckmans. 10 replies.Mar 2025 Deleting an image from my galleryPosted by Benjamin Sargeant. 7 replies.Mar 2025 kalinite - discreditation proposal to be submittedPosted by Herwig Pelckmans. 8 replies.Mar 2025 Do minerals of the same family/variety have the same properties?Posted by Chay B. 3 replies.

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