jcervay 41 Posted September 3, 2018 Share Posted September 3, 2018 What would you call this? Some quartz with very soft pyrite like material. Poor structure, it crumbles VID_20180902_163406.mp4 Quote Link to post Share on other sites
Morlock 1,795 Posted September 3, 2018 Share Posted September 3, 2018 Gorgeous!!!!! Quote Link to post Share on other sites
jcervay 41 Posted September 3, 2018 Author Share Posted September 3, 2018 2 hours ago, Morlock said: Gorgeous!!!!! Thanks! I do love it, it's so fragile though Quote Link to post Share on other sites
Morlock 1,795 Posted September 4, 2018 Share Posted September 4, 2018 14 hours ago, jcervay said: Thanks! I do love it, it's so fragile though I've never seen pyrite crumble like that. Usually it's pretty stable. 1 Quote Link to post Share on other sites
4meter 201 Posted September 4, 2018 Share Posted September 4, 2018 Very nice specimen! Might be the mineral Marcasite which looks has the same chemical make-up as Pyrite, but Marcasite unstable and crumbles into a powder with time. 1 Quote Link to post Share on other sites
jcervay 41 Posted September 5, 2018 Author Share Posted September 5, 2018 20 hours ago, 4meter said: Very nice specimen! Might be the mineral Marcasite which looks has the same chemical make-up as Pyrite, but Marcasite unstable and crumbles into a powder with time. Good though on the marcasite. There is actually a little cube formation here and there. Hard to see here Quote Link to post Share on other sites
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