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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: 425010" data-attributes="member: 4386"><p>This is the ultimate answer for a geo, but not cheap!</p><p></p><p><a href="https://prospectors.com.au/collections/hardness-points/products/moh-scale-hardness-points" target="_blank">https://prospectors.com.au/collections/hardness-points/products/moh-scale-hardness-points</a></p><p></p><p>Unfortunately for hard, transparent, fairly colourless minerals, this and SG (described in my series on identification and inexpensive) are really the only answer. The cheap way with hardness is to get a fragment of corundum, topaz, quartz and a steel knife blade and use it as a test kit (not as good as this, but fairly diagnostic). It is not a lot of good just sending photos of things meeting this description - no one can identify them at a distance using photos (rarely perhaps, eg if they show crystal faces or cleavage).</p><p></p><p>An intermediate cost alternative is:</p><p></p><p><a href="https://www.pilbarageology.com.au/products/Mineral-Hardness-Testing-Kit.html" target="_blank">https://www.pilbarageology.com.au/products/Mineral-Hardness-Testing-Kit.html</a></p></blockquote><p></p>
[QUOTE="user 4386, post: 425010, member: 4386"] This is the ultimate answer for a geo, but not cheap! [url]https://prospectors.com.au/collections/hardness-points/products/moh-scale-hardness-points[/url] Unfortunately for hard, transparent, fairly colourless minerals, this and SG (described in my series on identification and inexpensive) are really the only answer. The cheap way with hardness is to get a fragment of corundum, topaz, quartz and a steel knife blade and use it as a test kit (not as good as this, but fairly diagnostic). It is not a lot of good just sending photos of things meeting this description - no one can identify them at a distance using photos (rarely perhaps, eg if they show crystal faces or cleavage). An intermediate cost alternative is: [url]https://www.pilbarageology.com.au/products/Mineral-Hardness-Testing-Kit.html[/url] [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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