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Gems and Gemology

For discussing anything to do with gemstones and gemology - in conjunction withhttps://www.gemdat.org
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2dHow do I extract Chiastolite crystals from hard schist?Posted byBenjamin Sargeant. 18 replies.3wDoes Star Blue-Quartz Exist?Posted byWoody Walker. 19 replies.7w39 imagesOregon SunstonePosted bySteve Ewens. 54 replies.10wIs labradorescence a result of perthitic formation?Posted byJohan Lagrange. 4 replies.11wTrapiche GarnetPosted byyongqi cui. 12 replies.15wShould a native gold crystal be considered a gem?Posted byMakshi Smith. 32 replies.Dec 2024Odd Fluorite Crystal HabitPosted byJeff Collens. 5 replies.Dec 2024Boulder opal with a strange inclusionPosted byMila. 5 replies.Dec 2024Cutting Oregon Sunstones: A Step-by-Step GuidePosted byazard_faza. One reply.Nov 2024has anyone ever seen a quartz crystal "scepter" like this??Posted byJR Hindman. 10 replies.Sep 2024Adularescent Blue ChalcedonyPosted byA. A. Faller. 2 replies.Sep 2024Does Faceting Induce Stress?Posted bySteve Hardinger.Aug 2024Faceting StibiotantalitePosted byMax Laugier. 5 replies.Jul 2024I have found a round green stonePosted byLovina Odilo. One reply.Jul 2024Du Long Yu - Jade-like material, but quartz-basedPosted byFranz Bernhard. 8 replies.Jun 2024Creating a sealed gemstone pendant using moonstone as basePosted byIliana Roque. 2 replies.Jun 2024Identity help please. stone crystalsPosted bysiddalingappa valache. 4 replies.Mar 2024🦟 BUG:Nephrite formula on GemdatPosted byPETER J MODRESKI.Mar 202438 imagesAdvanced Cabochon CuttingPosted bySteve Ewens. 47 replies.Feb 2024How to organize a gemstone collectionPosted byJorge Santos Garcia. 6 replies.Jan 2024Why can't I find any red bands in rainbow obsidian? (Not mahogany or fire)Posted byJohan Lagrange. 12 replies.Jan 2024Polishing a Septarian nodulePosted bychris pearson. 14 replies.Nov 2023Rock or gemstones?Posted byKristine Neff. 8 replies.Oct 2023Gem Identification Charts with SpectroscopePosted byAllain Bordage. 2 replies.Sep 2023Lab quartz - details on how it's made.Posted byMonique Newton. One reply.

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