Radmann [2014-10-13 18:16:50 +0000 UTC]
The TETRIS molecule!!!!
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SoulStormHNS [2014-10-09 20:41:20 +0000 UTC]
What Kind of mineral is that??
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CylonSk In reply to SoulStormHNS [2015-01-06 09:53:25 +0000 UTC]
it's probably fluorit, but I am not sure.