| 释义 | ull·mann·ite \ˈəlməˌnīt\ noun
 (-s)
 Etymology: German ullmannit, from Johann C. Ullmann died 1821 German mineralogist + German -it -ite
 : a mineral NiSbS consisting of nickel antimonide and sulfide, usually containing a little arsenic, and occurring massive with steel-gray color and metallic luster
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