Gemstone Discussions

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[1] How to measure Specific Gravity

[2] Post for Commercial/Custom Cutters

[3] Jet from Newcastle

[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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