- Sep 7, 2020
- Rumseyite
- RRUFF Ideal Chemistry changed from "Pb2OFCl" to "Pb2+2OFCl"
- Oct 13, 2017
- Rumseyite
- IMA Ideal Chemistry changed from "Pb2OFCl" to "[Pb2OF]Cl"
- Nov 11, 2012
- Rumseyite
- RRUFF Ideal Chemistry changed from "Pb2OClF" to "Pb2OFCl"
- IMA Ideal Chemistry changed from "Pb2OClF" to "Pb2OFCl"
- Mineral Comment changed from to
- Aug 6, 2012
- Rumseyite
- New Mineral Entry
- Mineral Display Name changed to "Rumseyite"
- RRUFF Ideal Chemistry changed to "Pb2OClF"
- IMA Ideal Chemistry changed to "Pb2OClF"
- IMA Number changed to "IMA2011-091"
- Mineral Comment changed to
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