Good Earth
starting to spend too much on rocks
Member since November 2010
Posts: 155
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Post by Good Earth on Mar 31, 2014 23:29:18 GMT -5
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Post by gingerkid on Apr 3, 2014 10:46:14 GMT -5
Funky formations! I couldn't help but chuckle after reading that you break off some of the pieces to play with them, @good Earth. I haven't a clue what the formations are called, maybe some kind of pseudomorph? Lookin' forward to seeing close-up pics when you get a USB microscope. Did you purchase the Celestron model?
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Good Earth
starting to spend too much on rocks
Member since November 2010
Posts: 155
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Post by Good Earth on Apr 3, 2014 22:59:48 GMT -5
I haven't ordered one yet. Sent a couple of slabs to a friend out in Texas that has one of these: www.ebay.com/itm/like/400564087056 and we'll see how it works. It's fun to find the loose poppies. Some times the size of BB's. One night I had a dream about finding a big vug with poppies a foot across that I could cut to look like agates. Too bad it was just a dream (so far!)
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Post by 150FromFundy on Apr 4, 2014 19:39:16 GMT -5
I’m up for a little aventurine, so I’ll throw out a guess. I think you are correct that it formed in two phases. At first, the hollow vug had conditions that formed the tube that looks like a miniature stalactites, or stalagmites. The concentric rings were formed when successive thin coatings varying in colour (composition) slowly built up the tube. After that, the hollow vug had new conditions that formed the crystal druze on the outside of the tube. Your chipped tube reminds me of this photo which is a base of Missouri Lace Agate with a grey quartz druze on top of tubes. Similar concentric rings, except your druze is green. This photo was taken with the Celestron that gingerkid mentioned. Get one. It will open up a whole new world of micro-crystals that the old eyes can’t appreciate on their own. Darrryl.
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Post by gingerkid on Apr 7, 2014 11:16:30 GMT -5
I’m up for a little aventurine... ROFL, 150FromFundy! Awesome shot!
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