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Gemstones, Minerals & Fossils
Gemstones and Minerals
1.4 ct diamond found while crevicing (not by me, unfortunately)
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<blockquote data-quote="DrDuck" data-source="post: 143721" data-attributes="member: 158"><p>Apparently, it is common for alluvial diamonds in NSW to be somewhat waterworn:</p><p></p><p>"According to the statements of diamond-cutters, Australian diamonds are harder than the majority of stones from other parts of the world, and can only be cut with their own powder; they have a peculiarly strong surface lustre, and in spite of their extra hardness are usually much water-worn."</p><p></p><p>According to the link, most of the diamonds in NSW are redeposited from ancient alluvium, so they have been tumbling about for perhaps millions of years.</p><p></p><p><a href="http://www.minelinks.com/alluvial/diamondGeology43.html" target="_blank">http://www.minelinks.com/alluvial/diamondGeology43.html</a></p></blockquote><p></p>
[QUOTE="DrDuck, post: 143721, member: 158"] Apparently, it is common for alluvial diamonds in NSW to be somewhat waterworn: "According to the statements of diamond-cutters, Australian diamonds are harder than the majority of stones from other parts of the world, and can only be cut with their own powder; they have a peculiarly strong surface lustre, and in spite of their extra hardness are usually much water-worn." According to the link, most of the diamonds in NSW are redeposited from ancient alluvium, so they have been tumbling about for perhaps millions of years. [url]http://www.minelinks.com/alluvial/diamondGeology43.html[/url] [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
1.4 ct diamond found while crevicing (not by me, unfortunately)
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