- Oct 13, 2017
- Hodgkinsonite
- IMA Ideal Chemistry changed from "Zn2Mn2+SiO4(OH)2" to "Zn2Mn2+(SiO4)(OH)2"
- Mar 2, 2015
- Hodgkinsonite
- RRUFF Ideal Chemistry changed from "Zn2Mn2+SiO4(OH)2" to "Zn2+2Mn2+SiO4(OH)2"
- Oct 24, 2009
- Feb 26, 2008
- Hodgkinsonite
- RRUFF Ideal Chemistry changed from "Mn2+Zn2(SiO4)(OH)2" to "Zn2Mn2+SiO4(OH)2"
- IMA Ideal Chemistry changed from "Mn2+Zn2(SiO4)(OH)2" to "Zn2Mn2+SiO4(OH)2"
- Apr 18, 2007
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