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<p>[QUOTE=&quot;desertgem, post: 1506295, member: 15199&quot;]Nice, does the lab have a XRF spectroscope or a x-ray( or other) powder diffraction unit? they are used in metallurgy to give metal analysis. ( XRF is non-destructive ) and powder diffraction only takes a very minute amount. If so , you can check the face side verse the flat side , as if grinding or other altering occurred, the sides should show a little difference due to machining artifacts on the smooth side. I like precision equipment <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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