Boulangerite
Pb₅Sb₄S₁₁
Sulfides
Hardness 2,75
· Monoclinic
Photo: Sejkora, Jiří, Cristian Biagioni, Martin Števko, Silvia Musetti, and Dušan Peterec · CC BY 4.0
Cu₁₀Fe₂As₄S₁₃
Sulfosalt mineral
Source: Wikidata
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