- Oct 13, 2017
- Coombsite
- IMA Ideal Chemistry changed from "KMn2+13Si18O42(OH)15" to "KMn2+13(Si,Al)18O42(OH)14"
- Sep 11, 2012
- Sep 20, 2008
- Feb 22, 2008
- Coombsite
- RRUFF Ideal Chemistry changed from "K(Mn2+)13Si18O42(OH)15" to "KMn2+13Si18O42(OH)15"
- IMA Ideal Chemistry changed from "K(Mn2+)13Si18O42(OH)15" to "KMn2+13Si18O42(OH)15"
- Apr 4, 2007
- Coombsite
- IMA Ideal Chemistry changed from "K(Mn2+,Fe2+,Mg)13(Si,Al)18O42(OH)_14" to "K(Mn2+)13Si18O42(OH)15"
- RRUFF Ideal Chemistry changed from "K(Mn2+,Fe2+,Mg)13(Si,Al)18O42(OH)_14" to "K(Mn2+)13Si18O42(OH)15"
- Jun 27, 2006
- Coombsite
- IMA Ideal Chemistry changed to "K(Mn2+,Fe2+,Mg)13(Si,Al)18O42(OH)_14"
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