- Sep 8, 2020
- Lengenbachite
- RRUFF Ideal Chemistry changed from "Ag4Cu2Pb18As12S39" to "Ag1+4Cu1+2Pb2+18As3+12S2-39"
- Dec 24, 2009
- May 26, 2007
- Lengenbachite
- RRUFF Ideal Chemistry changed from "Pb6(Ag,Cu)2As4S13" to "Ag4Cu2Pb18As12S39"
- Apr 5, 2007
- Apr 12, 2006
- Lengenbachite
- RRUFF Ideal Chemistry changed from "Pb6(Ag,Cu)2As4S_13" to "Pb6(Ag,Cu)2As4S13"
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