bowslayer
off to a rocking start
Member since December 2009
Posts: 1
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Post by bowslayer on Feb 21, 2010 23:35:39 GMT -5
I collected a bunch of Devils toenails and was wondering if they could be tumbled? I don't know if it is appropriate to tumble them or if they would
turn out good?
Thanks for the help
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Post by texaswoodie on Feb 22, 2010 8:27:21 GMT -5
I've polished various fossil oysters and found that if they have any color it's lost in the polishing process. They will polish but they come out a gray color. Try a few and see what happens.
Curt
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jcinpc
has rocks in the head
Member since April 2009
Posts: 722
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Post by jcinpc on Feb 22, 2010 8:30:59 GMT -5
are those the oyster shell? are they silicified inside? that part should tumble if they are but I`m sure the barrel of the tumbler would load up with that calcite stuff. I have some oyster shell like that that I will be tumbling next month
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Fossilman
Cave Dweller 
Member since January 2009
Posts: 20,718 
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Post by Fossilman on Feb 25, 2010 12:20:20 GMT -5
I do mine by hand.....................Most I leave as is.(Made a few pendants out of them for myself)
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Haleysdream
has rocks in the head
K-9 unit Rock Hounds
Member since January 2010
Posts: 654
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Post by Haleysdream on Mar 2, 2010 12:37:57 GMT -5
I don't know what they look like , please post a photo. Love the name
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rone
off to a rocking start
Member since March 2013
Posts: 3
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Post by rone on Mar 14, 2013 6:58:16 GMT -5
I've been trying to polish devil's toenails and had no luck. I could get a good polish only by using a buffing wheel. Until early this morning. Then I put some soluble oil and water in the vibratory tumbler and ran them about an hour. The results are very much like when I polished the fossils on the buffing pad. I'm going to let them "cook" a little longer in the oil and see if they improve more.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,602
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Post by jamesp on Mar 14, 2013 9:38:00 GMT -5
I did OK with devil's T in a rotary.These were all tumbled together(basalt and the yellow ones are devil's toenails) Attachments:
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rone
off to a rocking start
Member since March 2013
Posts: 3
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Post by rone on Mar 15, 2013 3:26:18 GMT -5
Some of my first batch of fossils Attachments:
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,718
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Post by Fossilman on Mar 15, 2013 10:19:57 GMT -5
These are a few I have laying around too............  |
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,492
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Post by Sabre52 on Mar 15, 2013 10:57:22 GMT -5
The Texas form of Devil's Toenails rock ( shells in matrix) consists of the small Grypha type oyster shells in a fairly hard silicified limestone. Takes a mirror polish on the wheels and pads so I would think if you ran them by themselves, especially in a vibe, with lots of plastic pellets, you could get a reasonably good satin finish if not better. So far, only examples I've tumbled, I ran with harder stuff and they did not polish because the other rocks scratched and dinged them up.....Mel
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,602
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Post by jamesp on Mar 15, 2013 11:39:53 GMT -5
Me too-i tumbled w/basalt and did a satin finish.Harder materials do take away from the finish.
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