- Mar 15, 2019
- May 13, 2017
- Arsenmedaite
- New Mineral Entry
- Mineral Display Name changed to "Arsenmedaite"
- RRUFF Ideal Chemistry changed to "Mn2+6As5+Si5O18(OH)"
- IMA Ideal Chemistry changed to "Mn2+6As5+Si5O18(OH)"
- IMA Number changed to "IMA2016-099"
- Mineral Comment changed to
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