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Gemstones, Minerals & Fossils
Gemstones and Minerals
Why do sapphires darken when cut?
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<blockquote data-quote="rough2cut" data-source="post: 120392" data-attributes="member: 3816"><p>Totally different gear and no it doesn't wear the lap any more than a coloured stone cutter would and I can cut a 6mm brillant cut in about 1 hour and fifteen minutes.</p></blockquote><p></p>
[QUOTE="rough2cut, post: 120392, member: 3816"] Totally different gear and no it doesn't wear the lap any more than a coloured stone cutter would and I can cut a 6mm brillant cut in about 1 hour and fifteen minutes. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Why do sapphires darken when cut?
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