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ii4 FLINT .GENUS. occurs in veins along with tin ftone, quartz, ana fteatite. Gcognosth: Situation. . ! 1 he molt beautiful berylls are brought from Dan- ria on the frontiers of China, and the Brazils. r lhej are alfo found in the Uralian mountains ; in France* (where they have been confidered as emerald) and i 11 Saxony at Johanngeorgenftadt. I faw in the cabinet of the Hon. Mr Greville, a fix-fided prifm of beryl 1 i which he was told had been found in the upper pad of Aberdeenlhire in Scotland. Uja. When pure it is cue for ring ftones and for neck' laces. Its frequency, inferior hardneis, and little f‘ r£ ’. render it, however, of Ids value than many odier^ the precious Roues. Gbfcrvaiions. Hauy and Karfien from the emerald and precio llS beryll agreeing in cryftallization and conftitucnt pa»‘ ts » confider them as varieties of the fame fpecies, we have already fhewn the fallacy of this opinion- 2. Bdy 11
