Gemstone Discussions
Topics
[1] How to measure Specific Gravity
[2] Post for Commercial/Custom Cutters
[4] Universal Oval facet design by Jeff Graham
[5] Possible black diamond or tin ore but very uniuqe piece NEED HELP haha
[6] Advice on Lamberts and other overseas cutters
[7] brain fade
[8] Opal glue.
[9] Manganoan siderite Woy Woy
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