Boulangerite
Pb₅Sb₄S₁₁
Sulfides
Hardness 2,75
· Monoclinic
Photo: Ra'ike (see also: de:Benutzer:Ra'ike) · CC BY-SA 3.0
Pb₇Sb₈S₁₉
Sulfosalt mineral, intermediate member of a homologous series
Named after visual appearance
Source: Wikidata
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