- Aug 1, 2020
- Melanotekite
- RRUFF Ideal Chemistry changed from "Pb2Fe3+2O2Si2O7" to "Pb2+2Fe3+2O2Si2O7"
- Mineral Comment changed from to
- Oct 13, 2017
- Melanotekite
- IMA Ideal Chemistry changed from "Pb2Fe3+2O2Si2O7" to "Pb2Fe3+2O2(Si2O7)"
- Jun 5, 2010
- Apr 9, 2007
- Melanotekite
- IMA Ideal Chemistry changed to "Pb2Fe3+2O2Si2O7"
- Apr 15, 2006
- Melanotekite
- RRUFF Ideal Chemistry changed from "Pb2Fe3+2Si2O9" to "Pb2Fe3+2O2Si2O7"
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