- Sep 6, 2020
- Birunite
- RRUFF Ideal Chemistry changed from "Ca18(SiO3)8.5(CO3)8.5SO4·15H2O" to "Ca18(SiO3)8.5(CO3)8.5S6+O4·15H2O"
- Oct 13, 2017
- Birunite
- IMA Ideal Chemistry changed from "Ca18(SiO3)8.5(CO3)8.5SO4·15H2O" to "Ca18(SiO3)8.5(CO3)8.5(SO4)·15H2O"
- Aug 23, 2012
- Mar 23, 2007
- Birunite
- New Mineral Entry
- Mineral Display Name changed to "Birunite"
- RRUFF Ideal Chemistry changed to "Ca18(SiO3)8.5(CO3)8.5SO4·15H2O"
- IMA Ideal Chemistry changed to "Ca18(SiO3)8.5(CO3)8.5SO4·15H2O"
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