- Oct 13, 2017
- Tsepinite-K
- IMA Ideal Chemistry changed from "(K,Ba,Na)2(Ti,Nb)2Si4O12(OH,O)2·3H2O" to "(K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O"
- Aug 2, 2014
- Tsepinite-K
- RRUFF Ideal Chemistry changed from "(K,Ba,Na)2(Ti,Nb)2Si4O12(OH,O)2·3H2O" to "(K,Ba,Na)2(Ti4+,Nb5+)2Si4O12(OH,O)2·3H2O"
- Oct 6, 2012
- May 25, 2008
- May 25, 2006
- Tsepinite-K
- IMA Ideal Chemistry changed to "(K,Ba,Na)2(Ti,Nb)2Si4O12(OH,O)2·3H2O"
- May 24, 2006
- Tsepinite-K
- RRUFF Ideal Chemistry changed to "(K,Ba,Na)2(Ti,Nb)2Si4O12(OH,O)2·3H2O"
- Apr 28, 2006
- Tsepinite-K
- New Mineral Entry
- Mineral Display Name changed to "Tsepinite-K"
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