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Gold Prospecting
Metal Detecting for Gold
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<blockquote data-quote="user 4386" data-source="post: 417498" data-attributes="member: 4386"><p>Are you sure it is not two different metallic minerals (say stibnite in pyrite, or stibnite in native antimony), perhaps with a crust of another oxide mineral?. You can easily dig into stibnite with a pen knife blade (even a copper coin). Or vice-versa, it will smear onto a copper coin without scratching it.</p><p></p><p>Always best to use mineral names. eg antimony can be the metal, or in the sulphide stibnite, or in oxides such as cervantite. If the metal we tend to say "native antimony" which is the naturally-occurring mineral. Strictly we should also say native gold, but it would use up half this blog....</p></blockquote><p></p>
[QUOTE="user 4386, post: 417498, member: 4386"] Are you sure it is not two different metallic minerals (say stibnite in pyrite, or stibnite in native antimony), perhaps with a crust of another oxide mineral?. You can easily dig into stibnite with a pen knife blade (even a copper coin). Or vice-versa, it will smear onto a copper coin without scratching it. Always best to use mineral names. eg antimony can be the metal, or in the sulphide stibnite, or in oxides such as cervantite. If the metal we tend to say "native antimony" which is the naturally-occurring mineral. Strictly we should also say native gold, but it would use up half this blog.... [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
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