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Gemstones, Minerals & Fossils
Gemstones and Minerals
Black Spinel - cutting options and are large ones rare?
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<blockquote data-quote="Twapster" data-source="post: 132201" data-attributes="member: 1582"><p>I couldn't do an sg test because my gem scales cant handle it. Has a real waxy black sheen, maybe I should try some sandpaper on it to see if it goes like glass?</p><p></p><p>No chips in this one, my only concern is ive seen a lot of big spinel images and they have that "sapphire bomb" look to it like the ones Rough2cut has shown above, this one is not showing that splintering effect. Could it be something else? Sure looks like spinel to me but maybe there's another stone that has similar look?</p></blockquote><p></p>
[QUOTE="Twapster, post: 132201, member: 1582"] I couldn't do an sg test because my gem scales cant handle it. Has a real waxy black sheen, maybe I should try some sandpaper on it to see if it goes like glass? No chips in this one, my only concern is ive seen a lot of big spinel images and they have that "sapphire bomb" look to it like the ones Rough2cut has shown above, this one is not showing that splintering effect. Could it be something else? Sure looks like spinel to me but maybe there's another stone that has similar look? [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Black Spinel - cutting options and are large ones rare?
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