- Sep 6, 2020
- Syngenite
- RRUFF Ideal Chemistry changed from "K2Ca(SO4)2·H2O" to "K2Ca(S6+O4)2·H2O"
- Sep 16, 2010
- Apr 12, 2007
- Syngenite
- IMA Ideal Chemistry changed to "K2Ca(SO4)2·H2O"
- May 19, 2006
- Syngenite
- RRUFF Ideal Chemistry changed from "K2Ca(SO4)2·(H2O)" to "K2Ca(SO4)2·H2O"
- May 4, 2006
- Syngenite
- RRUFF Ideal Chemistry changed from "K2Ca(SO4)2·(H2O)" to "K2Ca(SO4)2·(H2O)"
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