- Aug 17, 2017
- Dec 25, 2013
- Walpurgite
- RRUFF Ideal Chemistry changed from "Bi4O4(UO2)(AsO4)2·2H2O" to "Bi3+4O4(U6+O2)(As5+O4)2·2H2O"
- Oct 19, 2010
- Jun 10, 2008
- May 10, 2008
- Walpurgite
- RRUFF Ideal Chemistry changed from "Bi4(UO2)O4(AsO4)2·2H2O" to "Bi4O4(UO2)(AsO4)2·2H2O"
- IMA Ideal Chemistry changed from "Bi4(UO2)O4(AsO4)2·2H2O" to "Bi4O4(UO2)(AsO4)2·2H2O"
- Apr 16, 2007
- Walpurgite
- IMA Ideal Chemistry changed to "Bi4(UO2)O4(AsO4)2·2H2O"
- May 27, 2006
- Walpurgite
- RRUFF Ideal Chemistry changed from "Bi4(UO2)(AsO4)2O4·2H2O" to "Bi4(UO2)O4(AsO4)2·2H2O"
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