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Post by bobby1 on May 9, 2016 23:38:58 GMT -5
Also found at at the show at the Kennedy Mine. The dealer said it was Obsidian which to me very obviously wasn't that. I got the rock for $1 and I got 5 slabs from it. Bob
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Post by vegasjames on May 10, 2016 0:54:30 GMT -5
Looks like some type of unakite. Green epidote, pink orthoclase and quartz.
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Post by orrum on May 10, 2016 7:07:29 GMT -5
Don't know but can't wait to c what ya make Bobby!
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Post by beefjello on May 10, 2016 8:04:12 GMT -5
That's from the Anderson Mine in Arizona
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Deleted
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Post by Deleted on May 10, 2016 8:16:03 GMT -5
That's from the Anderson Mine in Arizona But what is it?
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Post by beefjello on May 10, 2016 8:26:53 GMT -5
That's from the Anderson Mine in Arizona But what is it? Dendritic agate
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panamark
fully equipped rock polisher
Member since September 2012
Posts: 1,343
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Post by panamark on May 10, 2016 8:38:14 GMT -5
wow, dendritic agate. Nice. I would have guessed a nice granite.
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Post by fernwood on May 13, 2016 6:55:38 GMT -5
I have tons of this on my Wisconsin property. I thought it was a form of granite. Thanks for the heads up.
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Mark K
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Post by Mark K on May 13, 2016 15:09:00 GMT -5
Well, probably not. It looks like pink granite, which is what we have in great abundance in our area. The pink you are seeing in his rock is agate. The pink you are seeing at home is feldspar.
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Post by fernwood on May 13, 2016 17:49:02 GMT -5
I have to figure out a way to post photos here. What I am finding some of looks just like that, not a typical granite.
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grayfingers
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Post by grayfingers on May 13, 2016 18:23:50 GMT -5
I have to figure out a way to post photos here. What I am finding some of looks just like that, not a typical granite.
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jamesp
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Post by jamesp on May 14, 2016 21:16:48 GMT -5
I see pink granite.
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Post by vegasjames on May 15, 2016 2:45:44 GMT -5
Actually come to think of it there is a lot of pink, green and white granite South of here between Searchlight and Laughlin Nevada. I collected a little of it several years ago.
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metalsmith
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Post by metalsmith on May 15, 2016 3:32:35 GMT -5
Respecting your wisdom, the clincher would be cryst size. Purely from the current visuals, I'm going with the pink dendritic agate.
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jamesp
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Post by jamesp on May 15, 2016 6:30:21 GMT -5
Respecting your wisdom, the clincher would be cryst size. Purely from the current visuals, I'm going with the pink dendritic agate. No doubt metalsmith, would be a great imitation. Agate so variable. A chip test would help, granite never chips conchoidal where agate usually does. Scratch test too. Georgia is pink granite capital. Many variations from the railway 8 miles away: www.flickr.com/photos/67205364@N06/sets/72157656279758379
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metalsmith
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Post by metalsmith on May 15, 2016 7:07:39 GMT -5
Respecting your wisdom, the clincher would be cryst size. Purely from the current visuals, I'm going with the pink dendritic agate. No doubt metalsmith, would be a great imitation. Agate so variable. A chip test would help, granite never chips conchoidal where agate usually does. Scratch test too. Georgia is pink granite capital. Many variations from the railway 8 miles away: www.flickr.com/photos/67205364@N06/sets/72157656279758379I don't what's changed but now I see borders between crysts where I didn't before - but I think you're right. Chip-test. That's a good one, I'll have to remember.
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jamesp
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Post by jamesp on May 15, 2016 7:16:41 GMT -5
Agates are usually waxy/glassy or fine grained metalsmith. Granite breaks terribly with rough faces. Biotite(black) mica can be deceptive, looking dendritic. Looking at bobby's sample, it is a sawn face. Looks like an end cut, would like to see the other side.
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ubermenehune
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Post by ubermenehune on May 15, 2016 14:37:55 GMT -5
The dark spots resemble dentrites more than biotite. However, it looks more granular, and not as homogeneous as I would expect a chalcedony to look.
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Post by bobby1 on May 22, 2016 23:57:28 GMT -5
The material has a conchoidal fracture, is translucent and has no indication of granules or crystals all of which would rule out granite. Here is a photo of the sawn surface on a slab. Bob
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Post by bobby1 on May 22, 2016 23:59:30 GMT -5
Here is a photo of the translucency. Bob
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