custommike
starting to shine!
Member since November 2012
Posts: 42
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Post by custommike on Dec 24, 2012 23:53:21 GMT -5
I got some Peridot Quarters that i would like to tumble. I know some people use peridot sand as tumbling media for other stones... Do I need to use tumbling media when I start these of just let them tumble by themselves? Here is a pic of what I have. Attachments:
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Post by susand24224 on Dec 25, 2012 15:53:05 GMT -5
I tumbled in 220 rotary for a few days, then to 500, 1000, and polish in the Lot-O. The results were okay, not great, but okay, so you may want to follow other advice, if you get some. They were much better than they were pre-tumble, though.
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Post by Toad on Dec 25, 2012 16:48:14 GMT -5
I would suggest starting with 60/90 grit, some ceramic media and a few larger rocks.
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custommike
starting to shine!
Member since November 2012
Posts: 42
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Post by custommike on Dec 25, 2012 18:19:24 GMT -5
How long on 60/90? They are small I just don't want sand...
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Post by Toad on Dec 25, 2012 18:41:49 GMT -5
Already pretty small to start with - but the rough grind still needs doing, otherwise you'll never get a good polish. Peridot is a pretty hard stone so should hold up well enough. I'd do it for a week and see how they look. Then judge if they can move on or need another cycle...
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custommike
starting to shine!
Member since November 2012
Posts: 42
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Post by custommike on Dec 31, 2012 15:27:03 GMT -5
Here is what it looks like with just peridot and a bit of carnelian to fill the barrel. This is after about 5 days. Attachments:
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custommike
starting to shine!
Member since November 2012
Posts: 42
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Post by custommike on Dec 31, 2012 15:27:35 GMT -5
Carnelian that I tumbled with it... Attachments:
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custommike
starting to shine!
Member since November 2012
Posts: 42
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Post by custommike on Dec 31, 2012 15:28:17 GMT -5
What it looked like before it went in with the peridot. Carnelian came from the rock shed... pretty happy with it. Attachments:
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Post by susand24224 on Jan 2, 2013 21:38:50 GMT -5
Be careful with the carnelian--it is usually, although not always, a bit harder than your peridot. If the carnelian polishes and the peridot doesn't, that is probably your problem.
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