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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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<blockquote data-quote="Pat Hogen" data-source="post: 378893" data-attributes="member: 11720"><p>First of all, where are you located?</p><p></p><p>Put some Vicks Vaporub, or RP7 on it and hold it to the sunlight without a torch or place it on a mirror on a matchstick, etc, and see what comes out the bottom. If it is dark now it will be dark as a cabochon, but faceting at the right angle, in the right design may and should open it up a bit and let some light in, depending on what light comes out of the bottom. </p><p>You have two photos there, the first looks like it has some star refraction in it, the second appears to be the opposite side to the first one which would make a good table.</p><p>I have recently cut a sapphire that throws blue framing around a Mt Fuji in the centre but at first appearances the stone looked to be a dead black with just a little blue on the edges.</p></blockquote><p></p>
[QUOTE="Pat Hogen, post: 378893, member: 11720"] First of all, where are you located? Put some Vicks Vaporub, or RP7 on it and hold it to the sunlight without a torch or place it on a mirror on a matchstick, etc, and see what comes out the bottom. If it is dark now it will be dark as a cabochon, but faceting at the right angle, in the right design may and should open it up a bit and let some light in, depending on what light comes out of the bottom. You have two photos there, the first looks like it has some star refraction in it, the second appears to be the opposite side to the first one which would make a good table. I have recently cut a sapphire that throws blue framing around a Mt Fuji in the centre but at first appearances the stone looked to be a dead black with just a little blue on the edges. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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