Gemstone Discussions

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[1] How to measure Specific Gravity

[2] Post for Commercial/Custom Cutters

[3] Novice in need of advice on Opal

[4] Little confused

[5] Quartz, cutting and polishing

[6] What is this gemstone and how best to harvest it?

[7] Jet from Newcastle

[8] Universal Oval facet design by Jeff Graham

[9] Possible black diamond or tin ore but very uniuqe piece NEED HELP haha

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