- Feb 14, 2021
- Normandite
- RRUFF Ideal Chemistry changed from "NaCa(Mn2+,Fe2+)(Ti4+,Nb5+,Zr4+)(Si2O7)OF" to "Na2Ca2(Mn2+,Fe2+)2(Ti4+,Nb5+,Zr4+)2(Si2O7)2O2F2"
- Oct 13, 2017
- Normandite
- IMA Ideal Chemistry changed from "NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF" to "Na2Ca2(Mn,Fe)2(Ti,Nb,Zr)2(Si2O7)2O2F2"
- Jun 10, 2016
- Normandite
- RRUFF Ideal Chemistry changed from "NaCa(Mn2+,Fe)(Ti4+,Nb5+,Zr)(Si2O7)OF" to "NaCa(Mn2+,Fe2+)(Ti4+,Nb5+,Zr4+)(Si2O7)OF"
- Mineral Comment changed from to
- Aug 2, 2014
- Normandite
- RRUFF Ideal Chemistry changed from "NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF" to "NaCa(Mn2+,Fe)(Ti4+,Nb5+,Zr)(Si2O7)OF"
- Apr 18, 2006
- Normandite
- New Mineral Entry
- Mineral Display Name changed to "Normandite"
- RRUFF Ideal Chemistry changed to "NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF"
- IMA Ideal Chemistry changed to "NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF"
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