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Gemstones, Minerals & Fossils
Lapidary
Polishing Troubleshoot
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<blockquote data-quote="Lefty" data-source="post: 239433" data-attributes="member: 2976"><p>That's an interesting one Mr Magoo - for cutting in facets it's all I've ever used in #3000 pretty much and had good results (though I have played around with other stuff). Fast to cut, cheap to replace, does a good job, negligible risk of contamination, never given me trouble. On the other hand, #3000 on a Batt will give a better-looking surface for polishing than a plated one in my experience.</p><p></p><p>But I haven't learned the technique that users of loose #3000 grit must use - I assume you tell when the facet is done by <em>feel.</em> On the plated lap, I can cut very accurately by <em>sound</em>, listening for when the faintest tic-tic noise just stops. The sound of cutting with loose grit on a thick lap is much duller and harder to pick when it has just stopped. How do you approach cutting in the facets?</p></blockquote><p></p>
[QUOTE="Lefty, post: 239433, member: 2976"] That's an interesting one Mr Magoo - for cutting in facets it's all I've ever used in #3000 pretty much and had good results (though I have played around with other stuff). Fast to cut, cheap to replace, does a good job, negligible risk of contamination, never given me trouble. On the other hand, #3000 on a Batt will give a better-looking surface for polishing than a plated one in my experience. But I haven't learned the technique that users of loose #3000 grit must use - I assume you tell when the facet is done by [i]feel.[/i] On the plated lap, I can cut very accurately by [i]sound[/i], listening for when the faintest tic-tic noise just stops. The sound of cutting with loose grit on a thick lap is much duller and harder to pick when it has just stopped. How do you approach cutting in the facets? [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Polishing Troubleshoot
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