\ FLINT GENUS, Sapphire. Oriental ruby. Silica 5,25 7>° Alumina 92,0 90,0 Iron I >° 1,2 Lofs i,75 1,8 100, CO 100,00 Chenevix. Id* Chemical Cbaraflers. It is infufible without addition before the blow pipe; but with borax it melts without effervefcence. Geognostic Situation. Werner fufpetls that it occurs in rocks belonging to the.newefl: floetz trap formation : and it would ap pear, from the observations of the Hon. Mr Grevillo and Count de Bournon, that it is alfo an inmate of granite, fyenite, and other primitive rocks. Geographic Situation. • * It is found particularly beautiful in the kingdom of Pegu and ifland of Ceylon in the Eaft Indies. It has been alfo difcovered inPortugal; France, in the dream Expailly; alfo in Bohemia near Meronith and Bilim * rtf
