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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: 300515" data-attributes="member: 1916"><p>Thanks for the kind comments</p><p></p><p>Mackka, yield will depend on the shape of the rough, but more so on the choice of cut and if inclusions need to be dealt with. 20% to 60% would be my wild stab in the dark as I have only cut a handfull.</p><p></p><p>Thought I would capture before and after size on this one but forgot to get a pre-cut carat weight to work out the % loss. This stone had a reasonably high yield as it had a good natural shape. The pre-form photo shows an indent that reduced the size bu about 2mm and it also has a small inclusion that I didn't fully chase out as it is vertically positioned at the girdle. I might have lost another 1.5mm if I totally removed it.</p></blockquote><p></p>
[QUOTE="Wally69, post: 300515, member: 1916"] Thanks for the kind comments Mackka, yield will depend on the shape of the rough, but more so on the choice of cut and if inclusions need to be dealt with. 20% to 60% would be my wild stab in the dark as I have only cut a handfull. Thought I would capture before and after size on this one but forgot to get a pre-cut carat weight to work out the % loss. This stone had a reasonably high yield as it had a good natural shape. The pre-form photo shows an indent that reduced the size bu about 2mm and it also has a small inclusion that I didn't fully chase out as it is vertically positioned at the girdle. I might have lost another 1.5mm if I totally removed it. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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