- Jul 22, 2020
- Sep 18, 2018
- Whewellite
- RRUFF Ideal Chemistry changed from "CaC2O4·H2O" to "Ca(C2)6+O4·H2O"
- Oct 13, 2017
- Whewellite
- IMA Ideal Chemistry changed from "CaC2O4·H2O" to "Ca(C2O4)·H2O"
- Jan 10, 2009
- May 27, 2006
- Whewellite
- IMA Ideal Chemistry changed to "CaC2O4·H2O"
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