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SlENITE. J 39 Thus, it firft appears in Norway, next in Sweden, Finland, the Hartz, the Thuringer Wald-gebirge (Foreft of Thuringia), Saxon Erzgebirge, Silefia, Bohemia, Franconia, Bavaria, Auftrian hereditary dominions, Salzburg, the Tyrol, Carinthia, Carnio- la, Greece, feveral of the iflands in the Archipe lago, as Patmos ; Hungary, and Tranfilvania. It has been alfo obferved in Upper Egypt, Siberia, and South and North America. ' 9. Sienite. Granite of fame mineralogies—Roche amphibolique, Hauy.— Granitelle, Saujfure.—Sienite, Kirovan,—Sienite, Brochant, 1. The name Sienite is ufed by Pliny, and is deri ved from the city of Syena in the Thebaid, at the cataracts of the Nile, where it occurs in great quantity, and from whence the Romans brought it to Rome for architectural and ftatuary purpoles. 2, Sienite is a compound granular aggregated rock, compofed of felfpar and hornblende, and fometimes contains quartz and black mica. The hornblende is the charaCteriftic ingredient, and diftinguifhes it perfectly from granite, with which it is often con founded ; but the felfpar, which is almoft always red, and feldom inclines to green, forms the molt abundant and eflential ingredient of the rock. Some varieties contain a very confiderable por tion of quartz and mica, but little hornblende. This is particularly the cafe with the Egyptian varieties, and hence thefe are often confounded with real granite. As it has many points of agreement with green- ftone, ’