- Oct 13, 2017
- Tarapacaite
- IMA Ideal Chemistry changed from "K2CrO4" to "K2(CrO4)"
- Sep 2, 2015
- Tarapacaite
- RRUFF Ideal Chemistry changed from "K2CrO4" to "K2Cr6+O4"
- Oct 5, 2010
- Apr 12, 2007
- Apr 21, 2006
- Tarapacaite
- Mineral Display Name changed from "Tarapacaite" to "Tarapacáite"
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