- Oct 13, 2017
- Chestermanite
- IMA Ideal Chemistry changed from "Mg2(Fe3+,Mg,Al,Sb5+)O2BO3" to "Mg2(Fe3+,Mg,Al,Sb5+)O2(BO3)"
- Sep 20, 2012
- Chestermanite
- RRUFF Ideal Chemistry changed from "Mg2(Fe3+,Mg,Al,Sb)O2BO3" to "Mg2(Fe3+,Mg,Al,Sb5+)O2BO3"
- Sep 10, 2012
- Apr 4, 2007
- Chestermanite
- IMA Ideal Chemistry changed from "Mg2(Fe3+,Mg,Al,Sb)O2BO3" to "Mg2(Fe3+,Mg,Al,Sb5+)O2BO3"
- Jun 27, 2006
- Chestermanite
- IMA Ideal Chemistry changed to "Mg2(Fe3+,Mg,Al,Sb)O2BO3"
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