- May 20, 2017
- Keldyshite
- RRUFF Ideal Chemistry changed from "Na2ZrSi2O7" to "Na2Zr4+Si2O7"
- Mineral Comment changed from to
- May 24, 2007
- Keldyshite
- RRUFF Ideal Chemistry changed from "(Na,H)2ZrSi2O7" to "Na2ZrSi2O7"
- Apr 18, 2007
- Keldyshite
- IMA Ideal Chemistry changed from "(Na,H)2ZrSi2O7" to "Na2ZrSi2O7"
- Jun 29, 2006
- Keldyshite
- IMA Ideal Chemistry changed to "(Na,H)2ZrSi2O7"
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