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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: 640882" data-attributes="member: 4728"><p>An interesting specimen.</p><p>It is hard to tell whether the specimen is oblong or prismatic from the photos and given the weight and dimension its specific gravity would be somewhere between 6.3 and 12.7 which would put it into the realm of the minerals/rocks which contain a significant content of the heavier elements like lead, tungsten or even uranium and definitely rule out something like petrified wood. </p><p>Can you give some idea of the locality in which it was found and maybe some idea as to its hardness ie does it scratch steel knife or glass?</p></blockquote><p></p>
[QUOTE="Hawkear, post: 640882, member: 4728"] An interesting specimen. It is hard to tell whether the specimen is oblong or prismatic from the photos and given the weight and dimension its specific gravity would be somewhere between 6.3 and 12.7 which would put it into the realm of the minerals/rocks which contain a significant content of the heavier elements like lead, tungsten or even uranium and definitely rule out something like petrified wood. Can you give some idea of the locality in which it was found and maybe some idea as to its hardness ie does it scratch steel knife or glass? [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
❓Your Mineral Identification Questions answered here
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