- Oct 1, 2017
- Meionite
- IMA Ideal Chemistry changed from "(Ca,Na)4(Si,Al)12O24(CO3,SO4,Cl)" to "Ca4Al6Si6O24(CO3)"
- RRUFF Ideal Chemistry changed from "(Ca,Na)4(Si,Al)12O24(CO3,SO4,Cl)" to "Ca4Al6Si6O24(CO3)"
- Jun 5, 2010
- May 26, 2007
- Meionite
- RRUFF Ideal Chemistry changed from "3CaAl2Si2O8·CaCO3" to "(Ca,Na)4(Si,Al)12O24(CO3,SO4,Cl)"
- Apr 9, 2007
- Meionite
- IMA Ideal Chemistry changed to "(Ca,Na)4(Si,Al)12O24(CO3,SO4,Cl)"
- Apr 15, 2006
- Meionite
- RRUFF Ideal Chemistry changed from "Ca4Al6Si6O24CO3" to "3CaAl2Si2O8·CaCO3"
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