- Aug 16, 2017
- Yvonite
- Mineral Comment changed from to
- May 26, 2016
- Yvonite
- RRUFF Ideal Chemistry changed from "Cu3+(As5+O3OH)·2H2O" to "Cu2+(As5+O3OH)·2H2O"
- Dec 25, 2013
- Yvonite
- RRUFF Ideal Chemistry changed from "Cu(AsO3OH)·2H2O" to "Cu3+(As5+O3OH)·2H2O"
- Mar 26, 2007
- Yvonite
- IMA Number changed to "IMA1995-012"
- May 27, 2006
- Yvonite
- IMA Ideal Chemistry changed to "Cu(AsO3OH)·2H2O"
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