1. a mineral, platinum arsenide, PtAs2, occurring in minute tin-white crystals, usually cubes: a minor ore of platinum.

Origin of sperrylite

1905–10; named after F. L. Sperry, 19th-century Canadian chemist, who found it; see -lite
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British Dictionary definitions for sperrylite


  1. a white metallic mineral consisting of platinum arsenide in cubic crystalline form. Formula: PtAs 2

Word Origin for sperrylite

C19: named after F. L. Sperry, Canadian chemist
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