wul·fen·ite /ˈwʊlfəˌnaɪt/
水鉛鉛礦;彩鉬鉛礦
Wul·fen·ite n. Min. Native lead molybdate occurring in tetragonal crystals, usually tabular, and of a bright orange-yellow to red, gray, or brown color; -- also called yellow lead ore.
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wulfenite
n : a yellow to orange or brown mineral used as a molybdenum ore