- Sep 4, 2023
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "Ce4MgFe3+2Ti4+2O8(Si2O7)2" to "Ce3+4MgFe3+2Ti4+2O8(Si2O7)2"
- May 1, 2021
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "Ce3+4MgFe3+2Ti4+2O8(Si2O7)2" to "Ce4MgFe3+2Ti4+2O8(Si2O7)2"
- Jul 26, 2020
- Jul 21, 2020
- Oct 13, 2017
- Perrierite-(Ce)
- IMA Ideal Chemistry changed from "Ce4MgFe3+2Ti4+2O8(Si2O7)2" to "Ce4MgFe3+2Ti2O8(Si2O7)2"
- Aug 2, 2014
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "Ce4MgFe3+2Ti4+2O8(Si2O7)2" to "Ce3+4MgFe3+2Ti4+2O8(Si2O7)2"
- Jul 4, 2010
- May 27, 2007
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "(Ce,La,Th)4(Mg,Fe)(Fe3+,Al,Zr)2Ti4+2O8(Si2O7)2" to "Ce4MgFe3+2Ti4+2O8(Si2O7)2"
- Apr 10, 2007
- Perrierite-(Ce)
- IMA Ideal Chemistry changed from "(Ce,La,Th)4(Mg,Fe)(Fe3+,Al,Zr)2Ti4+2O8(Si2O7)2" to "Ce4MgFe3+2Ti4+2O8(Si2O7)2"
- May 10, 2006
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "(Ce,La,Ca)4(Fe,Mg)2(Ti,Fe)3Si4O_22" to "(Ce,La,Th)4(Mg,Fe)(Fe3+,Al,Zr)2Ti4+2O8(Si2O7)2"
- IMA Ideal Chemistry changed to "(Ce,La,Th)4(Mg,Fe)(Fe3+,Al,Zr)2Ti4+2O8(Si2O7)2"
- May 4, 2006
- Perrierite-(Ce)
- RRUFF Ideal Chemistry changed from "(Ce,La,Ca)4(Fe,Mg)2(Ti,Fe)3Si4O_22" to "(Ce,La,Ca)4(Fe,Mg)2(Ti,Fe)3Si4O_22"
- Mineral Display Name changed from "Perrierite" to "Perrierite-(Ce)"
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