- Sep 6, 2020
- Bassanite
- RRUFF Ideal Chemistry changed from "CaSO4·0.5H2O" to "CaS6+O4·0.5H2O"
- Oct 13, 2017
- Bassanite
- IMA Ideal Chemistry changed from "CaSO4·0.5H2O" to "Ca(SO4)·0.5H2O"
- Aug 25, 2012
- Jan 11, 2011
- May 14, 2007
- Bassanite
- RRUFF Ideal Chemistry changed from "2CaSO4·H2O" to "CaSO4·0.5H2O"
- Mar 23, 2007
- Bassanite
- IMA Ideal Chemistry changed to "CaSO4·0.5H2O"
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