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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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<blockquote data-quote="Guest" data-source="post: 378993"><p>Hi Mr Magoo if you have a blue table and green cross table the stone may look a nice blue when back lit through the table but when cut they will be dark to black with no colour play depending on how dark the green is .If the heating of the stone will lighten the dark blues you would think the big miners wouldnt be selling dark blues for a fraction of what a light blue sells for they would heat treat the lot and get top price I know thats what I would be doing. Most blues found around Sapphire area have green cross tables.I hope this helps .</p><p>Dave</p></blockquote><p></p>
[QUOTE="Guest, post: 378993"] Hi Mr Magoo if you have a blue table and green cross table the stone may look a nice blue when back lit through the table but when cut they will be dark to black with no colour play depending on how dark the green is .If the heating of the stone will lighten the dark blues you would think the big miners wouldnt be selling dark blues for a fraction of what a light blue sells for they would heat treat the lot and get top price I know thats what I would be doing. Most blues found around Sapphire area have green cross tables.I hope this helps . Dave [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Faceting
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