- May 4, 2022
- Sep 8, 2020
- Giessenite
- RRUFF Ideal Chemistry changed from "(Cu,Fe)2Pb26.4(Bi,Sb)19.6S57" to "(Cu1+,Fe2+)2Pb2+26.4(Bi3+,Sb3+)19.6S2-57"
- Oct 30, 2012
- Sep 20, 2009
- Sep 28, 2008
- Giessenite
- RRUFF Ideal Chemistry changed from "Cu2Pb26(Bi,Sb)20S57" to "(Cu,Fe)2Pb26.4(Bi,Sb)19.6S57"
- Mineral Comment changed from to
- Apr 17, 2007
- Giessenite
- IMA Number changed to "IMA1963-004"
- IMA Ideal Chemistry changed from "Cu2Pb26(Bi,Sb)20S57" to "(Cu,Fe)2Pb26.4(Bi,Sb)19.6S57"
- Jun 29, 2006
- Giessenite
- IMA Ideal Chemistry changed to "Cu2Pb26(Bi,Sb)20S57"
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