- Sep 8, 2020
- Hutchinsonite
- RRUFF Ideal Chemistry changed from "PbTlAs5S9" to "Pb2+Tl1+As3+5S2-9"
- Jun 13, 2008
- Hutchinsonite
- IMA Ideal Chemistry changed from "PbTlAs5S9" to "TlPbAs5S9"
- Apr 18, 2007
- Oct 30, 2006
- Hutchinsonite
- RRUFF Ideal Chemistry changed from "(Pb,Tl)2As5S9" to "PbTlAs5S9"
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