zinkenite
noun
zin·ken·ite
| \ ˈziŋkəˌnīt\
plural -s
Definition of zinkenite
: 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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