sperryliten.
/ˈspɛrɪlʌɪt/ Mineralogy.
Platinum arsenide, PtAs2, found as opaque greyish-white isometric crystals.
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arsenic?a1425
yellow arsenic1598
arsenic glass1738
arsenious oxide1809
arsenicane1812
arseniuret1813
arsenide1830
sulpharsenite1859
trimethyl-arsine1866
hydrogen arsenide1868
sperrylite1889
1889 H. L. Wells in Amer. Jrnl. Sci. 137 67 (heading) Sperrylite, a new mineral.
1902 H. A. Miers Mineral. ii. 332 Sperrylite, the only natural compound of platinum, occurs as brilliant microscopic crystals..in a nickeliferous ore consisting of various sulphides, at Sudbury in Ontario.
1910 L. J. Spencer in Encycl. Brit. VII. 338/2 In the Medicine Bow Mountains of Wyoming a platiniferous covellite is mined, the platinum being present as sperrylite (platinum arsenide).
1911 L. J. Spencer World's Minerals 56 The tiny crystals of the rare mineral sperrylite.
1926 Mineral Mag. XXI. 94 A very fine and unusual crystal of sperrylite..came from a new adit on the Tweefontein farm..about 10 miles NNW. of Potgietersrust, Waterberg district, Transvaal.
1975 Canad. Mineralogist XIII. 327/2 Sperrylite is a common mineral in many platinum-bearing deposits.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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