- Oct 13, 2017
- Gerdtremmelite
- IMA Ideal Chemistry changed from "ZnAl2AsO4(OH)5" to "ZnAl2(AsO4)(OH)5"
- Aug 4, 2014
- Aug 2, 2014
- Gerdtremmelite
- RRUFF Ideal Chemistry changed from "Zn2+Al2AsO4(OH)5" to "Zn2+Al2As5+O4(OH)5"
- Dec 18, 2013
- Gerdtremmelite
- RRUFF Ideal Chemistry changed from "ZnAl2AsO4(OH)5" to "Zn2+Al2AsO4(OH)5"
- Oct 30, 2012
- Dec 20, 2010
- Sep 21, 2009
- Sep 19, 2009
- May 23, 2007
- Gerdtremmelite
- RRUFF Ideal Chemistry changed from "(Zn,Fe+2)(Al,Fe+3)2AsO4(OH)5" to "ZnAl2AsO4(OH)5"
- Apr 17, 2007
- Gerdtremmelite
- IMA Ideal Chemistry changed from "(Zn,Fe2+)(Al,Fe3+)2AsO4(OH)5" to "ZnAl2AsO4(OH)5"
- Jun 29, 2006
- Gerdtremmelite
- IMA Ideal Chemistry changed to "(Zn,Fe2+)(Al,Fe3+)2AsO4(OH)5"
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