- Jan 11, 2021
- Murmanite
- IMA Number changed to "IMA2016 s.p."
- Mar 9, 2017
- Mar 5, 2017
- Murmanite
- IMA Ideal Chemistry changed from "Na2Ti2(Si2O7)O2·2H2O" to "Na2Ti2Na2Ti2(Si2O7)2O4(H2O)4"
- RRUFF Ideal Chemistry changed from "Na2Ti4+2(Si2O7)O2·2H2O" to "Na2Ti4+2Na2Ti4+2(Si2O7)2O4(H2O)4"
- Aug 2, 2014
- Murmanite
- RRUFF Ideal Chemistry changed from "Na2Ti2(Si2O7)O2·2H2O" to "Na2Ti4+2(Si2O7)O2·2H2O"
- Mar 17, 2008
- Murmanite
- RRUFF Ideal Chemistry changed from "Na2(Ti,Nb)2Si2O9·nH2O" to "Na2Ti2(Si2O7)O2·2H2O"
- IMA Ideal Chemistry changed from "Na2(Na,Ti)4Ti2Si4O14(O,H2O,OH,F)2·2H2O" to "Na2Ti2(Si2O7)O2·2H2O"
- Mineral Comment changed to
- May 26, 2007
- Murmanite
- IMA Ideal Chemistry changed to "Na2(Na,Ti)4Ti2Si4O14(O,H2O,OH,F)2·2H2O"
- Apr 16, 2006
- Murmanite
- RRUFF Ideal Chemistry changed from "Na3(Ti,Nb)4(Si2O7)2O4·4(H2O)" to "Na2(Ti,Nb)2Si2O9·nH2O"
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