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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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<blockquote data-quote="Hawkear" data-source="post: 644827" data-attributes="member: 4728"><p>Hi Shakergt.</p><p>Looks like a bit of vein wall rock which could contain a mixture of things such as quartz, wall rock pieces, other vein minerals etc. </p><p>The second photo looks like it has been sawn? </p><p>Also not knowing the geological context of where it was found Makes it a bit harder.</p><p>Would recommend also posting some of the basic tests you can do yourself at home.</p><p>Eg Specific gravity, Hardness and in that regard test the hardness of each of the minerals/rock pieces shown in the specimen, Streak is the colour left on the back of a piece of white porcelain tile, magnetic property etc. </p><p>goldierocks has posted a list of tests that can be done in that regard.</p><p>For others interested in these sorts of ID challenges, I would also recommend purchasing a good old fashioned book on Rocks and Minerals which usually give a list of tests which can be used. A good companion on prospecting trips.</p></blockquote><p></p>
[QUOTE="Hawkear, post: 644827, member: 4728"] Hi Shakergt. Looks like a bit of vein wall rock which could contain a mixture of things such as quartz, wall rock pieces, other vein minerals etc. The second photo looks like it has been sawn? Also not knowing the geological context of where it was found Makes it a bit harder. Would recommend also posting some of the basic tests you can do yourself at home. Eg Specific gravity, Hardness and in that regard test the hardness of each of the minerals/rock pieces shown in the specimen, Streak is the colour left on the back of a piece of white porcelain tile, magnetic property etc. goldierocks has posted a list of tests that can be done in that regard. For others interested in these sorts of ID challenges, I would also recommend purchasing a good old fashioned book on Rocks and Minerals which usually give a list of tests which can be used. A good companion on prospecting trips. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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