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Gemstones, Minerals & Fossils
Gemstones and Minerals
Ruby information
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<blockquote data-quote="Mr Magoo" data-source="post: 469953" data-attributes="member: 3008"><p>Depends on what you are trying to achieve. Got a list of temps somewhere. </p><p>But for composites like those above it can be as low as 900*C</p><p></p><p>A few ways of detecting heat treatment but I've never heard of 'heat lines'.</p></blockquote><p></p>
[QUOTE="Mr Magoo, post: 469953, member: 3008"] Depends on what you are trying to achieve. Got a list of temps somewhere. But for composites like those above it can be as low as 900*C A few ways of detecting heat treatment but I've never heard of 'heat lines'. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Ruby information
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