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Gemstones, Minerals & Fossils
Lapidary
Stones I have cut
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<blockquote data-quote="Dihusky" data-source="post: 413697" data-attributes="member: 10304"><p>Still experimenting with different lap material, have been working with a 3000 hard lap for fine cuts but find it too aggressive so going to get some 3k powder and try this with oil on a copper lap, already use copper for 8k pre-polish and find this works well, also working with 'typemetal' for 14k, being soft the grit embeds well and once fairly dry produces a great finish to take to 50k for the final, this I am currently using on a Nickle lap which works well and produces a beautiful final polish. </p><p></p><p>Currently working on a large piece of quart, 19mm across in a standard brilliant, finding I'm doing a heck of a lot of cheating to get the facets right in the pre and final polishes. Constant learning curve, but loving it.</p></blockquote><p></p>
[QUOTE="Dihusky, post: 413697, member: 10304"] Still experimenting with different lap material, have been working with a 3000 hard lap for fine cuts but find it too aggressive so going to get some 3k powder and try this with oil on a copper lap, already use copper for 8k pre-polish and find this works well, also working with 'typemetal' for 14k, being soft the grit embeds well and once fairly dry produces a great finish to take to 50k for the final, this I am currently using on a Nickle lap which works well and produces a beautiful final polish. Currently working on a large piece of quart, 19mm across in a standard brilliant, finding I'm doing a heck of a lot of cheating to get the facets right in the pre and final polishes. Constant learning curve, but loving it. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Stones I have cut
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