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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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<blockquote data-quote="user 4386" data-source="post: 403665" data-attributes="member: 4386"><p>It is yellow, it is soft and scratches with a $2 coin (or smears when rubbed on the coin), Do a tiny scratch with a mini pocket knife or needle point while looking under a hand lens - when it scratches it all stays yellow (pyrite and chalcopyrite are brittle and harder than a coin, their powder is black or greenish-black), It is malleable (if you tap it with a hammer it flattens, whereas pyrite and chalcopyrite break into a dark powder). Once seen a few times you will know it by sight as usually quite yellow,</p></blockquote><p></p>
[QUOTE="user 4386, post: 403665, member: 4386"] It is yellow, it is soft and scratches with a $2 coin (or smears when rubbed on the coin), Do a tiny scratch with a mini pocket knife or needle point while looking under a hand lens - when it scratches it all stays yellow (pyrite and chalcopyrite are brittle and harder than a coin, their powder is black or greenish-black), It is malleable (if you tap it with a hammer it flattens, whereas pyrite and chalcopyrite break into a dark powder). Once seen a few times you will know it by sight as usually quite yellow, [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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