Boulangerite
Pb₅Sb₄S₁₁
Sulfides
Hardness 2,75
· Monoclinic
Photo: Galuskin, E.V.; Galuskina, I.O.; Kusz, J.; Książek, M.; Vapnik, Y.; Zieliński, G. · CC BY 4.0
(Fe,Zn)S
Sulfide mineral
Named after Nikolay S. Rudashevsky
Source: Wikidata
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