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Glass?
Jun 7, 2020 5:27:56 GMT -5
Post by fernwood on Jun 7, 2020 5:27:56 GMT -5
These were in a box of purchased items. Pretty sure they are glass. Can be scratched with a knife. The combo of "Coke bottle green" and cobalt blue made me wonder. The rind on second one is harder than the blue/green areas. Thank you. Wet with true colors. Second one.
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Glass?
Jun 7, 2020 6:24:47 GMT -5
via mobile
Post by manofglass on Jun 7, 2020 6:24:47 GMT -5
Tumbling them
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Glass?
Jun 7, 2020 6:26:36 GMT -5
Post by fernwood on Jun 7, 2020 6:26:36 GMT -5
They are about 3.5" long. Too big for my rotary. Hope to slice in the future.
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wpotterw
spending too much on rocks
Member since September 2016
Posts: 421
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Glass?
Jun 7, 2020 8:23:17 GMT -5
Post by wpotterw on Jun 7, 2020 8:23:17 GMT -5
These were in a box of purchased items. Pretty sure they are glass. Can be scratched with a knife. The combo of "Coke bottle green" and cobalt blue made me wonder. The rind on second one is harder than the blue/green areas. Thank you. Wet with true colors. Second one. Some of it looks like it has cleavage planes and a few pieces look like purple/green fluorite.
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Glass?
Jun 7, 2020 12:34:41 GMT -5
Post by fernwood on Jun 7, 2020 12:34:41 GMT -5
Never considered flourite, as all pieces I have had in the past either had to rind or were already cut. Thanks.
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Post by knave on Jun 7, 2020 12:54:03 GMT -5
Yep looks like fluorite to me. Great for dremel carving.
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Glass?
Jun 7, 2020 13:02:54 GMT -5
Post by fernwood on Jun 7, 2020 13:02:54 GMT -5
if flourite, those are some large pieces.
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Glass?
Jun 7, 2020 13:08:19 GMT -5
via mobile
Post by knave on Jun 7, 2020 13:08:19 GMT -5
if flourite, those are some large pieces. Large Fluorite is common, I ordered 6 lbs of tumbling rough from barnhouse and it came in a few large chunks.
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Glass?
Jun 7, 2020 15:26:55 GMT -5
Post by fernwood on Jun 7, 2020 15:26:55 GMT -5
Thanks for the info. I have never seen it this large before, but what do I know?
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Post by knave on Jun 7, 2020 15:30:47 GMT -5
Thanks for the info. I have never seen it this large before, but what do I know? You know a plenty Beth, but no one of us knows all. Lol
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fuss
spending too much on rocks
Member since October 2018
Posts: 250
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Post by fuss on Jun 7, 2020 22:55:05 GMT -5
Probably Fluorite based on hardness and appearance, if you have long wave UV light you can confirm, it will fluoresce a blue color.
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