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Thus far, successfully identified as “rock” or “probably rock-adjacent.” Could be from just about anywhere. Most likely Earth. Any idea? Those little wormy bits with the internal lattice are ~2mm across. The main body of the rock has some glittery bits .5mm across or less. Feels vaguely limestoney. Forgot to taste it.
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Jul 31, 2022 06:16
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Goodpancakes posted:It's a fossilized coral Rock on, friend
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Jul 31, 2022 09:12
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Can someone help me and my daughter identify this? She spotted it on a hike today and wanted to know, best I can come up with is biotite maybe? Very small, thin flakes. Black, with pretty flecks of color.  Shiny, almost glass-like. Flakes apart very readily, is pretty pliable.  All the clumps we found were embedded in quartzy stuff.    Found on the shore of this man-made lake at about 8000’ in the Rockies, west of Denver.  I’m sure it’s wholly unexciting but it was new to us and had interesting properties, so I’d like to be able to tell her for sure what it is. 
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Nov 7, 2023 05:46
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