zinkenite

noun zin·ken·ite \ ˈziŋkəˌnīt \

Definition of zinkenite

plural -s

: a steel-gray mineral Pb₆Sb₁₄S₂₇ of metallic luster consisting of a lead antimony sulfide and occurring in orthorhombic crystals and in masses (hardness 3–3.5, specific gravity 5.30–5.35)

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