- May 7, 2021
- Oct 13, 2017
- Perraultite
- IMA Ideal Chemistry changed from "NaBaMn4Ti2(Si2O7)2O2(OH)2F" to "BaNaMn4Ti2(Si2O7)2O2(OH)2F"
- Mar 5, 2017
- Perraultite
- IMA Ideal Chemistry changed from "(Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4O4(OH)2(Si2O7)4(OH,F)4" to "NaBaMn4Ti2(Si2O7)2O2(OH)2F"
- May 18, 2014
- Perraultite
- RRUFF Ideal Chemistry changed from "NaBaMn2+4Ti2(Si2O7)2O2(OH)2F" to "NaBaMn2+4Ti4+2(Si2O7)2O2(OH)2F"
- Feb 19, 2014
- Apr 13, 2011
- Perraultite
- RRUFF Ideal Chemistry changed from "(NaBa)Mn2+4Ti2(Si2O7)2O2(OH)2F" to "NaBaMn2+4Ti2(Si2O7)2O2(OH)2F"
- Jan 15, 2011
- Aug 9, 2008
- May 17, 2008
- Perraultite
- IMA Ideal Chemistry changed from "(NaBa)Mn4Ti2(Si2O7)2O2(OH)2F" to "(Na,Ca)2(Ba,K)2(Mn,Fe)8(Ti,Nb)4O4(OH)2(Si2O7)4(OH,F)4"
- Mar 24, 2008
- Perraultite
- RRUFF Ideal Chemistry changed from "(NaBa)Mn4Ti2(Si2O7)2O2(OH)2F" to "(NaBa)Mn2+4Ti2(Si2O7)2O2(OH)2F"
- Mineral Comment changed from to
- May 27, 2007
- Perraultite
- RRUFF Ideal Chemistry changed from "(Na,Ca)2(Ba,K)2Mn2+8(Ti,Nb)4O4(Si2O7)4(OH,F)6" to "(NaBa)Mn4Ti2(Si2O7)2O2(OH)2F"
- Apr 10, 2007
- Perraultite
- IMA Ideal Chemistry changed from "(Na,Ca)2(Ba,K)2Mn2+8(Ti,Nb)4O4(Si2O7)4(OH,F)6" to "(NaBa)Mn4Ti2(Si2O7)2O2(OH)2F"
- May 10, 2006
- Perraultite
- IMA Ideal Chemistry changed to "(Na,Ca)2(Ba,K)2Mn2+8(Ti,Nb)4O4(Si2O7)4(OH,F)6"
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