Jordanite, Lengenbachite, pyrite, Lengenbach Quarry, Switzerland, photo by Uwe Haubenreisser
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Lengenbachite Quarry, Fäld, Binn Valley, Wallis, Switzerland
formula: Ag4Cu2Pb18As12S39
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Lengenbachite
Lengenbach Quarry, Fäld, Binn Valley, Wallis, Switzerland
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