- Oct 13, 2017
- Yegorovite
- IMA Ideal Chemistry changed from "Na4[Si4O8(OH)4]·7H2O" to "Na4[Si2O4(OH)2]2·7H2O"
- Aug 16, 2017
- Jun 25, 2011
- Jul 20, 2009
- Yegorovite
- RRUFF Ideal Chemistry changed from "Na4[Si2O4(OH)2]2·7H2O" to "Na4[Si4O8(OH)4]·7H2O"
- IMA Ideal Chemistry changed from "Na4[Si2O4(OH)2]2·7H2O" to "Na4[Si4O8(OH)4]·7H2O"
- Mineral Comment changed to
- Nov 1, 2008
- Yegorovite
- New Mineral Entry
- Mineral Display Name changed to "Yegorovite"
- RRUFF Ideal Chemistry changed to "Na4[Si2O4(OH)2]2·7H2O"
- IMA Ideal Chemistry changed to "Na4[Si2O4(OH)2]2·7H2O"
- IMA Number changed to "IMA2008-033"
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