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<p>[QUOTE=&quot;DanielD, post: 51667, member: 510&quot;]Who said anything about it being destructive? I rubbed it on a metal testing stone which takes a very minor unnoticeable fine shaving off. You cannot tell the test was performed at all.</p><p><br /></p><p>Anyone with any knowledge of materials and testing usually can identify ivory or bakelite simply by its pattern, weight, color without the need for a destructive test. However unmarked metals are a lot more difficult and usually require a more in depth acid testing to prove they are precious metals when they are unmarked in order to market them accurately. This can be done professionally and discretely without damaging the piece. It is only amateurs who give this practice a bad name and ultimately end up destroying the piece.[/QUOTE]</p><p><br /></p>

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