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Gems and Gemology

For discussing anything to do with gemstones and gemology - in conjunction with https://www.gemdat.org
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2w Opal StampsPosted by Ben Grguric. 2 replies.4w Soklich photosPosted by Ben Grguric. One reply.4w Repair broken amber?Posted by Howard Heitner. 3 replies.4w Mineral Testing GemsPosted by Deborah Burton. 11 replies.6w Virginia Blue Quartz with Unusual Properties (*)Posted by Woody Walker. 3 replies.7w Virginia Blue Quartz with Limonite StainingPosted by Woody Walker. 30 replies.9w Rare Brecciated Virginia Blue Quartz/Quartzite from Grayson Co, VAPosted by Woody Walker. One reply.9w Gem Identification Charts with SpectroscopePosted by Allain Bordage. 3 replies.13w⚠12 images Does Star Blue-Quartz Exist?Posted by Woody Walker. 56 replies.Mar 2025 How do I extract Chiastolite crystals from hard schist?Posted by Benjamin Sargeant. 18 replies.Feb 2025⚠39 images Oregon SunstonePosted by Steve Ewens. 54 replies.Jan 2025 Is labradorescence a result of perthitic formation?Posted by Johan Lagrange. 4 replies.Jan 2025 Trapiche GarnetPosted by yongqi cui. 12 replies.Dec 2024 Should a native gold crystal be considered a gem?Posted by Makshi Smith. 32 replies.Dec 2024 Odd Fluorite Crystal HabitPosted by Jeff Collens. 5 replies.Dec 2024 Boulder opal with a strange inclusionPosted by Mila. 5 replies.Dec 2024 Cutting Oregon Sunstones: A Step-by-Step GuidePosted by azard_faza. One reply.Nov 2024 has anyone ever seen a quartz crystal "scepter" like this??Posted by JR Hindman. 10 replies.Sep 2024 Adularescent Blue ChalcedonyPosted by A. A. Faller. 2 replies.Sep 2024 Does Faceting Induce Stress?Posted by Steve Hardinger.Aug 2024 Faceting StibiotantalitePosted by Max Laugier. 5 replies.Jul 2024 I have found a round green stonePosted by Lovina Odilo. One reply.Jul 2024 Du Long Yu - Jade-like material, but quartz-basedPosted by Franz Bernhard. 8 replies.Jun 2024 Creating a sealed gemstone pendant using moonstone as basePosted by Iliana Roque. 2 replies.Jun 2024 Identity help please. stone crystalsPosted by siddalingappa valache. 4 replies.

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