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Gemstones, Minerals & Fossils
Lapidary
Has anyone had success tumbling BlackJack /Black Spinel?
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<blockquote data-quote="Colin&amp;Lee" data-source="post: 78014" data-attributes="member: 243"><p>Hey Joe,</p><p></p><p>I put them through 7ish days at 80, 220, 800 then a 14k polish I should stick them in for a day with some hand soap to clean them up a bit :8 </p><p></p><p>The two course grits are silicon carbide I think.</p><p></p><p>Cheers</p><p></p><p>Col</p></blockquote><p></p>
[QUOTE="Colin&Lee, post: 78014, member: 243"] Hey Joe, I put them through 7ish days at 80, 220, 800 then a 14k polish I should stick them in for a day with some hand soap to clean them up a bit :8 The two course grits are silicon carbide I think. Cheers Col [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Has anyone had success tumbling BlackJack /Black Spinel?
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