- Oct 13, 2017
- Gjerdingenite-Na
- IMA Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "K2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
- Aug 10, 2014
- Gjerdingenite-Na
- RRUFF Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·5H2O"
- IMA Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
- Aug 2, 2014
- Gjerdingenite-Na
- RRUFF Ideal Chemistry changed from "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O" to "(K,Na)2(H2O)2Na(Nb5+,Ti4+)4(Si4O12)2(OH,O)4·3H2O"
- Oct 30, 2012
- Feb 25, 2008
- Gjerdingenite-Na
- RRUFF Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O"
- IMA Ideal Chemistry changed from "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O" to "(K,Na)2(H2O)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·3H2O"
- May 3, 2007
- Gjerdingenite-Na
- New Mineral Entry
- Mineral Display Name changed to "Gjerdingenite-Na"
- RRUFF Ideal Chemistry changed to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
- IMA Ideal Chemistry changed to "(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O"
- IMA Number changed to "IMA2005-030"
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