hoplite
off to a rocking start
Member since October 2009
Posts: 2 
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Post by hoplite on Oct 27, 2009 11:07:58 GMT -5
Any ideas?
I don't know if my silicon carbide grit will work.
It has been suggested that I use Boron Carbide or Diamond
Does anyone know of a supplier?
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Post by Toad on Oct 27, 2009 11:10:48 GMT -5
Silicon carbide worked fine for me. I got some nice smooth and shiny ruby's with it. Just ran them with whatever other rocks I was tumbling at the time. They took longer to come out of coarse grind - of course - but I was very happy with the results.
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Post by Toad on Oct 27, 2009 11:12:28 GMT -5
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hoplite
off to a rocking start
Member since October 2009
Posts: 2
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Post by hoplite on Oct 27, 2009 12:45:06 GMT -5
Did you use aluminum oxide prepolish and polish?
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Post by Toad on Oct 27, 2009 12:53:38 GMT -5
Here is my method:
Rotary - SiC 60/90 until all imperfections are removed
Vibe - SiC 220, 600, 1000 (pre-polish) for a week or two each
Vibe - to be honest, I can't remember what polish I used. Might even have been a combination. But it was a 'traditional' rock polish - likely tin oxide and/or cerium oxide
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