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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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<blockquote data-quote="Lefty" data-source="post: 169152" data-attributes="member: 2976"><p>Oh good, after lasts nights effort I'm a fourhundreddoallaraire <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Can't post any photos, no home computer. Little sapphire, finished about .8 of a carat. A nice, clear mid-green with a yellow flash. Only my second sapphire (third counting the star sapphire I cabbed), same issue as the star - the facets have a pronounced tendency to pit and peel. My polishing efforts eventually prevailed but it took a while. I expect the peeling is actually occurring during cutting the facets and the polishing is simply revealing what is already there but cannot be seen until polishing.</p><p></p><p>Finished one of those Mount Gibson topaz for father-in-law, cut again in the Lighthouse cut. The piece of rough was ideally suited i thought, almost perfectly square and with virtually no cracks or flaws. It finished a very nice stone but I didn't get back as much carat weight as I was expecting from such a near-perfect piece of rough. Lighthouse is a bit shallow, probably ate up good material unneccessarily. Should have done a different square cut, mebbe a modified square brilliant or something. Oh well, you live and learn.</p></blockquote><p></p>
[QUOTE="Lefty, post: 169152, member: 2976"] Oh good, after lasts nights effort I'm a fourhundreddoallaraire :) Can't post any photos, no home computer. Little sapphire, finished about .8 of a carat. A nice, clear mid-green with a yellow flash. Only my second sapphire (third counting the star sapphire I cabbed), same issue as the star - the facets have a pronounced tendency to pit and peel. My polishing efforts eventually prevailed but it took a while. I expect the peeling is actually occurring during cutting the facets and the polishing is simply revealing what is already there but cannot be seen until polishing. Finished one of those Mount Gibson topaz for father-in-law, cut again in the Lighthouse cut. The piece of rough was ideally suited i thought, almost perfectly square and with virtually no cracks or flaws. It finished a very nice stone but I didn't get back as much carat weight as I was expecting from such a near-perfect piece of rough. Lighthouse is a bit shallow, probably ate up good material unneccessarily. Should have done a different square cut, mebbe a modified square brilliant or something. Oh well, you live and learn. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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