- May 15, 2021
- Oct 13, 2017
- Potassic-sadanagaite
- IMA Ideal Chemistry changed from "KCa2Mg3Al2(Si5Al3)O22(OH)2" to "KCa2(Mg3Al2)(Si5Al3)O22(OH)2"
- Jul 5, 2014
- Potassic-sadanagaite
- Mineral Display Name changed from "Potassic-magnesiosadanagaite" to "Potassic-sadanagaite"
- Mineral Comment changed from to
- Jan 29, 2008
- May 27, 2007
- Potassic-sadanagaite
- RRUFF Ideal Chemistry changed from "(K,Na)Ca2[Mg3(Al,Fe3+)2]Si5Al3O22(OH)2" to "KCa2Mg3Al2(Si5Al3)O22(OH)2"
- Apr 11, 2007
- May 10, 2006
- Potassic-sadanagaite
- RRUFF Ideal Chemistry changed from "(K,Na)Ca2[Mg3(Al,Fe)2][Si5Al3O22](OH)2" to "(K,Na)Ca2[Mg3(Al,Fe3+)2]Si5Al3O22(OH)2"
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