- Oct 13, 2017
- Wallkilldellite
- IMA Ideal Chemistry changed from "Ca4Mn2+6(AsO4)4(OH)8·18H2O" to "Ca2Mn2+3(AsO4)2(OH)4·9H2O"
- Dec 25, 2013
- Wallkilldellite
- RRUFF Ideal Chemistry changed from "Ca4Mn2+6(AsO4)4(OH)8·18H2O" to "Ca4Mn2+6(As5+O4)4(OH)8·18H2O"
- Apr 22, 2007
- May 27, 2006
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