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<p>[QUOTE=&quot;desertgem, post: 1283078, member: 15199&quot;]There are low temperature methods of coating metals with molecular thicknesses of diamond (as a post striking treatment), which would eliminate wear. Diamond coins could be grown with devices, dates, and such, but even though extremely hard, is quite brittle and easily chipped or fractured ( think pre-laser era &quot;cutting&quot; with a wedge and mallet).</p><p><br /></p><p>Both deposition and growing are very expensive and/or time consuming, and would only be done as a curiosity, not a denominated coin.</p><p><br /></p><p>Ask to see his diamond collection and maybe you will take it up also <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>Jim</p><p><br /></p><p>P.s. I am not impressed at all by diamonds. They are readily available and could be 25% of current prices, if diamond cartels were not in almost complete control. There are many other natural gems that are much higher per carat.[/QUOTE]</p><p><br /></p>

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