Hypertext Webster Gateway: "arsenopyrite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Arsenopyrite \Ar`sen*o*pyr"ite\, n. [Arsenic + pyrite.] (Min.)
A mineral of a tin-white color and metallic luster,
containing arsenic, sulphur, and iron; -- also called
{arsenical pyrites} and {mispickel}.
From WordNet (r) 1.7 (wn)
arsenopyrite
n : a silver-white or gray ore of arsenic [syn: {mispickel}]
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