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Gemstones, Minerals & Fossils
Lapidary
Stones I have cut
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<blockquote data-quote="Lefty" data-source="post: 418363" data-attributes="member: 2976"><p>Similar to the way I normally approach sapphire by the sounds.</p><p></p><p></p><p></p><p>Were you referring to the <em>Battlap</em> (tin alloy) or is there a new type I haven't heard about? <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>I do have a Battlap but it doesn't get a huge amount of use. Nothing wrong with it at all, just don't require it all that much. I charged it with #8000 so it would probably be good for things might require the loose grit pre-polish before the final. I've never had a problem polishing both sapphire and softer stones on the same ceramic lap but I do recall once trying to <em>pre-polish</em> a particularly troublesome topaz on the same copper lap I use for sapphire, only to scratch the hell out of the stone.</p></blockquote><p></p>
[QUOTE="Lefty, post: 418363, member: 2976"] Similar to the way I normally approach sapphire by the sounds. Were you referring to the [i]Battlap[/i] (tin alloy) or is there a new type I haven't heard about? :) I do have a Battlap but it doesn't get a huge amount of use. Nothing wrong with it at all, just don't require it all that much. I charged it with #8000 so it would probably be good for things might require the loose grit pre-polish before the final. I've never had a problem polishing both sapphire and softer stones on the same ceramic lap but I do recall once trying to [i]pre-polish[/i] a particularly troublesome topaz on the same copper lap I use for sapphire, only to scratch the hell out of the stone. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Stones I have cut
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