- Nov 30, 2023
- Aeschynite-(Y)
- RRUFF Ideal Chemistry changed from "(Y3+,Ca,Th4+)(Ti4+,Nb5+)2(O,OH)6" to "(Y,Ca,Th4+)(Ti4+,Nb5+)2(O,OH)6"
- May 3, 2022
- Jul 22, 2020
- Oct 13, 2017
- Aeschynite-(Y)
- IMA Ideal Chemistry changed from "(Y,Ca,Th)(Ti,Nb)2(O,OH)6" to "(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6"
- Dec 1, 2014
- Aeschynite-(Y)
- RRUFF Ideal Chemistry changed from "(Y,Ca,Th)(Ti,Nb)2(O,OH)6" to "(Y3+,Ca,Th4+)(Ti4+,Nb5+)2(O,OH)6"
- Apr 4, 2013
- Aeschynite-(Y)
- RRUFF Ideal Chemistry changed from "(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6" to "(Y,Ca,Th)(Ti,Nb)2(O,OH)6"
- IMA Ideal Chemistry changed from "(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6" to "(Y,Ca,Th)(Ti,Nb)2(O,OH)6"
- Nov 12, 2012
- Dec 31, 2008
- Jun 27, 2006
- Aeschynite-(Y)
- IMA Ideal Chemistry changed to "(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6"
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