- Sep 8, 2023
- Jul 21, 2020
- Tundrite-(Ce)
- IMA Number changed to "IMA1987 s.p."
- Mineral Comment changed from to
- Oct 13, 2017
- Tundrite-(Ce)
- IMA Ideal Chemistry changed from "Na2Ce2TiO2SiO4(CO3)2" to "Na2Ce2TiO2(SiO4)(CO3)2"
- Aug 2, 2014
- Tundrite-(Ce)
- RRUFF Ideal Chemistry changed from "Na2Ce3+2TiO2SiO4(CO3)2" to "Na2Ce3+2Ti4+O2SiO4(CO3)2"
- Apr 17, 2012
- Aug 10, 2008
- Tundrite-(Ce)
- RRUFF Ideal Chemistry changed from "Na2Ce2TiO2SiO4(CO3)2" to "Na2Ce3+2TiO2SiO4(CO3)2"
- May 25, 2008
- May 25, 2006
- Tundrite-(Ce)
- IMA Ideal Chemistry changed to "Na2Ce2TiO2SiO4(CO3)2"
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