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单词 needle ore
释义

Needle ore


(Min.) acicular bismuth; a sulphide of bismuth, lead, and copper occuring in acicular crystals; - called also aikinite.

See also: Needle

needle ore


needle ore

[′nēd·əl ‚ȯr] (mineralogy) Iron ore of very high metallic luster, found in small quantities, which may be separated into long, slender filaments resembling needles. aikinite
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