- Oct 13, 2017
- Rhodesite
- IMA Ideal Chemistry changed from "K2Ca2Si8O19·5H2O" to "KHCa2Si8O19·5H2O"
- Feb 23, 2013
- May 27, 2007
- Rhodesite
- RRUFF Ideal Chemistry changed from "KHCa2Si8O19·5H2O" to "K2Ca2Si8O19·5H2O"
- Apr 12, 2007
- Rhodesite
- IMA Ideal Chemistry changed to "K2Ca2Si8O19·5H2O"
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