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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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<blockquote data-quote="Wally69" data-source="post: 417140" data-attributes="member: 1916"><p>Finally finished cutting my first decent Queensland sapphire from the Reward Gemfield, I cant seem to find the before photo but it presented as a green/yellow party sapphire. The stock was about 3.5ct and it had a bad shape and a few inclusion that I tried to orientate to be vertical through the centre of the stone and another close to the girdle. The yield suffered as a result and a couple of overcuts requiring rectification didnt help either :8 </p><p></p><p>It started out life as a standard brilliant but I introduced a small step cut in the pavilion in an attempt to keep a bit of extra depth. The crown is also modified due the operator being a bit too aggressive with such small facets and a star facet index error in the finishing stages of the cut <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad :mad:" loading="lazy" data-shortname=":mad:" /> resulted in a rectification that introduced an extra 8 step facets between them. I quite like them though as they create a defined star in the top of the stone.</p><p></p><p>After focussing at it through a magnifying glass for the past week, it seemed much bigger than the 0.9ct result. Good thing is, I have now proven that I can cut sub-carat stones. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" />arty: </p><p></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/1916/1528854632_fd73a072-5fe6-493c-b35e-c9205be09b24.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Wally69, post: 417140, member: 1916"] Finally finished cutting my first decent Queensland sapphire from the Reward Gemfield, I cant seem to find the before photo but it presented as a green/yellow party sapphire. The stock was about 3.5ct and it had a bad shape and a few inclusion that I tried to orientate to be vertical through the centre of the stone and another close to the girdle. The yield suffered as a result and a couple of overcuts requiring rectification didnt help either :8 It started out life as a standard brilliant but I introduced a small step cut in the pavilion in an attempt to keep a bit of extra depth. The crown is also modified due the operator being a bit too aggressive with such small facets and a star facet index error in the finishing stages of the cut :mad: resulted in a rectification that introduced an extra 8 step facets between them. I quite like them though as they create a defined star in the top of the stone. After focussing at it through a magnifying glass for the past week, it seemed much bigger than the 0.9ct result. Good thing is, I have now proven that I can cut sub-carat stones. :party: [img]https://www.prospectingaustralia.com/forum/img/member-images/1916/1528854632_fd73a072-5fe6-493c-b35e-c9205be09b24.jpg[/img] [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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