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t Shorlite. 287 found fome in fmall lamellar mafles on the Py- renees *. Luftre, 2. Tranfparency, 2.1. Its fra&ure, uneven, and, feemingly, fomewhat foliated. Hardnefs, from 9 to 10. Sp. gr. 3,530, per Klaproth. 1 Chy. Ann. 1788, p. 390. Infufible at 168 0 , and no way altered by heat. Mr. Ferbcr mentions a white (horl found in the Bannat, vvhich phofphorefces when fcraped in the dark. Nov. Adta Petrop. 1785, p. 264. By the analyfis of Mr. Klaproth it contains 0,50 filex, and 0,50 argill; by that of Mr. Bergman, 0,52 argill, 0,46 filex, and 0,02 water. This fubftance was called jhorlite by Mr. Kla proth, than whom we cannot have a better guide. It cannot be the fubfiance called whiteßorl by the French; as Abbe Hauy thinks this rather of the feltfpar fpecies; and Mr. D'Arcet found it fu- fible in a porcelain heat, and fo did Mr. Chaptal; and accordiugly it contains 0,55 filex, 0,25 ar gill, 0,13 magnefia, and 0,07 lime. By his ana lyfis, 2 Chaptal, p. 124. But that called white ihorl by Mr. La l’cyroufe is moft probably our fhorlite; for, he found it infufible in the ftrongeft heat, The white ßorl of the French, at leafi: of Mr. Chaptal and Abbe Hauy, is moft probably that lent to Saxony by Mr. Shreiber from Dauphine, * 26 Roz. 434. of