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Gemstones, Minerals & Fossils
Gemstones and Minerals
Looking for a Gem Cutter in Brisbane/Advice
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<blockquote data-quote="Martyz" data-source="post: 542840" data-attributes="member: 14320"><p>As a point of reference for dark sapphires here is an example of where you might be at with some of your stones.</p><p>A dark sapphire will show little colour in normal light.</p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/14320/1584431455_fe9bd198-2a9b-4259-b3cb-aa024fa27038.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>But will show nice colour with strong backlight such as LED.</p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433188_886ea934-93a7-4e72-b50e-0dd5b52b5606.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Heat treating can lighten the stone and clear some inclusions,</p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433327_fcd9e653-8b13-40fe-a3a7-deec99d0224c.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433327_0059d157-1f7c-47ac-9f72-62fffc26eb95.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>But the stone will probably still be quite dark when cut.<img src="https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433423_0195abd9-9656-4f89-b8cd-567cc1ff03ee.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>All of the above photos are the same sapphire so I hope that gives you some idea of what you have to work with.</p><p>Good luck.</p></blockquote><p></p>
[QUOTE="Martyz, post: 542840, member: 14320"] As a point of reference for dark sapphires here is an example of where you might be at with some of your stones. A dark sapphire will show little colour in normal light. [img]https://www.prospectingaustralia.com/forum/img/member-images/14320/1584431455_fe9bd198-2a9b-4259-b3cb-aa024fa27038.jpg[/img] But will show nice colour with strong backlight such as LED. [img]https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433188_886ea934-93a7-4e72-b50e-0dd5b52b5606.jpg[/img] Heat treating can lighten the stone and clear some inclusions, [img]https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433327_fcd9e653-8b13-40fe-a3a7-deec99d0224c.jpg[/img] [img]https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433327_0059d157-1f7c-47ac-9f72-62fffc26eb95.jpg[/img] But the stone will probably still be quite dark when cut.[img]https://www.prospectingaustralia.com/forum/img/member-images/14320/1584433423_0195abd9-9656-4f89-b8cd-567cc1ff03ee.jpg[/img] All of the above photos are the same sapphire so I hope that gives you some idea of what you have to work with. Good luck. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Looking for a Gem Cutter in Brisbane/Advice
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