Found 1 items, similar to arsenical pyrites.
English → English (gcide) Definition: arsenical pyrites 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. [1913 Webster]