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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: 162597" data-attributes="member: 2976"><p>Barney, do you have any tips for cutting and polishing the Springsure stuff?</p><p></p><p>I thought I had the latest bit oriented away from the cleavages but when something is perfectly cleavable in three directions, I'm not sure how easy it is to avoid at least one facet coming close to a plane.</p><p></p><p>One facet was virtually bang on one - it kept pitting and flaking while polishing and through the loupes i could see it was covered in perfectly paralel striations. An adjoining facet on a similar angle was also affected, though not as bad. I eventually had to accept it wasn't going to achieve a nice smooth surface. Stone still looks nice but I couldn't bring myself to set the stuff in jewellwery until I can be sure I can polish it perfectly.</p></blockquote><p></p>
[QUOTE="Lefty, post: 162597, member: 2976"] Barney, do you have any tips for cutting and polishing the Springsure stuff? I thought I had the latest bit oriented away from the cleavages but when something is perfectly cleavable in three directions, I'm not sure how easy it is to avoid at least one facet coming close to a plane. One facet was virtually bang on one - it kept pitting and flaking while polishing and through the loupes i could see it was covered in perfectly paralel striations. An adjoining facet on a similar angle was also affected, though not as bad. I eventually had to accept it wasn't going to achieve a nice smooth surface. Stone still looks nice but I couldn't bring myself to set the stuff in jewellwery until I can be sure I can polish it perfectly. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
⭐ Show Us Your Cut Stones - Before And After Photos
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