zinkenite
zink·en·ite
also zinck·en·ite Z0016800 (zĭng′kə-nīt′)zinkenite
(ˈzɪŋkəˌnaɪt) orzinckenite
Noun | 1. | zinkenite - a steel grey metallic mineral (a sulphide of lead and antimony) |
单词 | zinkenite | |||
释义 | zinkenitezink·en·itealso zinck·en·ite Z0016800 (zĭng′kə-nīt′)zinkenite(ˈzɪŋkəˌnaɪt) orzinckenite
Zinkenitezinkenite[′ziŋ·kə‚nīt]Zinkenite(named after the German mineralogist K. Zinken, who died in 1862), a mineral, a complex lead sulfide with the chemical composition PbSb2S4. Zinkenite, which usually contains admixtures of Fe, Cu, Ag, and As, crystallizes in the hexagonal system. It forms continuous granular masses, acicular crystals, and radiated aggregates. It is steel gray and iridescent and has a metallic luster. A brittle mineral, it has a hardness of 3–3.5 on Mohs’ scale and a density of about 5,300 kg/m3. Zinkenite is found in low-temperature and medium-temperature hydrothermal antimony and antimony-complex ore deposits, where it is associated with antimonite, sphalerite, and other minerals. zinkenite
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