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Post by stardiamond on Sept 17, 2014 15:10:39 GMT -5
I picked up a slab of an unknown on ebay that was identified here as devils toenails or Clam chowder stone. I've been looking for some more with good cabbing possibilities. Ebay was a bust. If you search on Clam chowder stone you get nothing. If you search on devils toenails you get something that isn't what I'm looking for. I went on to the net and found three sources and about 20 slabs. I found one worth buying. Redder than the stuff I got before but I liked it. The preform on the left is from the older material. This was the one cab I cut from the original piece.
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Post by Toad on Sept 17, 2014 15:33:54 GMT -5
Great looking cab. I believe Mel (sabre52) might have some material available.
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,466
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Post by Sabre52 on Sept 17, 2014 15:43:00 GMT -5
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,687
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Post by Fossilman on Sept 17, 2014 20:36:02 GMT -5
I have "Devils Toe nails" they are an oyster fossil and look like an ugly toe nail...LOL
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QuailRiver
fully equipped rock polisher
Member since May 2008
Posts: 1,634
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Post by QuailRiver on Sept 17, 2014 21:02:47 GMT -5
It's my understanding that the tan backgound clam chowder stone can be heat treated to turn it red. Has anyone here ever had any success heat treating any? Larry C.
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,466
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Post by Sabre52 on Sept 18, 2014 13:02:52 GMT -5
Larry, Yep, I've seen the heat treated material at shows. Turns kind of tomato soup red. Never tried heat treating myself as I like the gold colors and some natural red can be found. I'm sure it would have to be done slowly as most limestone contains a goodly amount of water that would have to cook off slowly. I supposed you'd treat it the same way knappers heat treat flint and chert. I'd also be curious to know if any board folks have tried it......Mel
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Post by glennz01 on Sept 18, 2014 15:34:22 GMT -5
ive got something like that.. local from other hounders i know... its black with cool fossil stuff in it.
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Post by gingerkid on Sept 18, 2014 17:34:12 GMT -5
Beautiful cabs, gentlemen! Sabre52, do folks usually disclose heat treatment of the devils toenails? Would love to see your Alaskan material, glennz01.
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,466
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Post by Sabre52 on Sept 18, 2014 18:46:53 GMT -5
kid: The only time I've seen it at a show and it was heat treated, the treatment was not disclosed until I asked about it, and the answer was maybe but not sure. The same show had a dealer selling Indonesian fossil coral that was also heat treated but they, I seem to remember, had it on the ID card and man oh man was that pretty stuff...Mel
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Post by glennz01 on Sept 18, 2014 19:42:36 GMT -5
Beautiful cabs, gentlemen! Sabre52, do folks usually disclose heat treatment of the devils toenails? Would love to see your Alaskan material, glennz01. In due time, i have a lot of stuff i need to photograph... probably once snow comes.
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Post by pghram on Sept 20, 2014 22:39:22 GMT -5
That's a nice material & great cabs.
Rich
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,687
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Post by Fossilman on Sept 21, 2014 8:37:52 GMT -5
As for heat treating,I have only seen one recipe online for treating stones....I bet James could give some idea's on this subject....
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alan
starting to spend too much on rocks
Member since December 2013
Posts: 111
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Post by alan on Sept 22, 2014 11:03:57 GMT -5
I got my start rockhounding in the gravel pits of North Louisiana... I remember finding a brown piece of chert with a gastropod fossil where the gastropod had been replaced with yellow chalcedony... Must have been a piece of similar origin...
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