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WOLFRAMITE
wolframite, iron manganese tungsten
(noun) a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks
Source: WordNet® 3.1
Etymology
Noun
wolframite (countable and uncountable, plural wolframites)
(mineral) A mineral that consists of a tungstate of iron and manganese; (Fe,Mn)WO4.
Source: Wiktionary
Wol"fram*ite, n. Etym: [G., wolframit, wolfram; wolf wolf + rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf's soot.] (Min.)
Definition: Tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high specific gravity. It occurs in cleavable masses, and also crystallized. Called also wolfram.
Source: Webster’s Unabridged Dictionary 1913 Edition
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