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Posted by Reiner Mielke  
Reiner Mielke March 13, 2018 04:50PM Why does this say aragonite? It all looks like calcite to me.
Uwe Kolitsch March 13, 2018 05:55PM
Message sent.
Tom Tucker March 13, 2018 08:00PM
Not sure why he calls it "cave calcite" either. It's just calcite ! Tom
Kevin Conroy March 13, 2018 09:40PM
I saw these being sold by a few of the Mexican dealers at the Denver and Tucson shows (don't remember how many years ago), but they had them labeled "cave calcite". Maybe they called them that because they hit a large pocket in the mine that was the size of a cave, but who knows...
José Zendrera March 14, 2018 02:43PM
I think "cave calcite" is the same than "karstic calcite", that's a calcite which has grow in a natural cave at ambient temperature and pressure (under 40 ºC and about one bar).
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