herb
spending too much on rocks
Member since November 2011
Posts: 445
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Post by herb on Jul 25, 2015 10:59:19 GMT -5
Hi everyone, Here a couple of slabs that I cut last fall. I was wondering if anyone can ID them? They are photographed under water in case you were wondering what the bubbles are from! The first one reminds me of chicken tracks! I really like the purples in this one: Thanks for looking!
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riverbendlapidary
fully equipped rock polisher
Member since September 2006
Posts: 1,058
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Post by riverbendlapidary on Jul 25, 2015 13:32:00 GMT -5
#1 ? #2 mexican lace possibly
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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 Jul 25, 2015 14:15:35 GMT -5
Number one's trade name is barkstone. Think it's from Wyoming if I'm remembering right....Mel
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bsky4463
fully equipped rock polisher
Member since September 2013
Posts: 1,696
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Post by bsky4463 on Jul 25, 2015 14:42:02 GMT -5
Mel is spot on with the first one as bark jasper but it is from Montana. Cheers
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panamark
fully equipped rock polisher
Member since September 2012
Posts: 1,343
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Post by panamark on Jul 25, 2015 15:55:20 GMT -5
You guys nailed it, Montana bark jasper. I had never heard of it, but found pictures and a dubious description: "Montana Bark is not a true jasper. Instead, it is more of a dolomite and is probably the fossilized remains of an ancient river bottom." I am doubting the river bottom as the pieces are still crisp and not rounded. Anyway, pretty cool stuff that apparently takes a good polish (which would be a bit odd for a dolomite).
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