New member, first find any idea what it is |
Colorado Prospector - Gem and mineral prospecting and mining forums > Prospecting, Mineral Collecting and Treasure Hunting Forums > Gem and Mineral Specimen Finds or Processes  |
New member, first find any idea what it is |
 Dec 29 2015, 01:10 PM
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Observer  Group: Members Posts: 1 Joined: 29-December 15 Member No.: 122,382  |
Hello
So I was out with my son( who loves rocks like me) and we found what looked like these black rocks but when examined closely in the sun and shined a light on it was a very dark green the light didn't pass threw but the edges glowed green it was found around the Colorado Springs area IDK if it's a rock mineral or just a piece of glass I know I'm short on information if there's anything else you need to make a better judgement let me know I'll do my best thank you
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Dec 29 2015, 05:29 PM
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 Rock Bar! Group: Members Posts: 898 Joined: 9-January 14 From: Denver, CO Member No.: 116,265 |
Hello Vasquez, welcome to the forums!
 Your find looks like a form of Chalcedony(Quartz). There is a few tests that you can do to narrow down the possibilities. Quick specific gravity test Mohs Hardness Test -------------------- |
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