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394 GRAPHITE FAMILY, Geognostic Situation. It occurs in imbedded masses, beds and veins, in pri mitive, transition and flcetz rocks. It occurs in Spain, in gneiss; in Switzerland and Savoy, in mica-slate and clay- slate; at Lischwitz, near Gera in Saxony, in transition rocks; in trap rocks, as in the Calton Hill at Edinburgh; in the coal formation in the river district of the Eorth ; and in a similar formation near the village of Brandau, in the Saatzer circle in Bohemia. v Geographic Situation. Europe.—It is found in several flaetz districts in Scot land, as near West Craigs in West Lothian, Dunferm line in Fifeshire, Cumnock, and Kilmarnock in Ayrshire, and in the island of Arran. In similar rocks in England, as in the southern parts of Brecknock, Caermarthenshire, Pembrokeshire, and Birch Hill, near Walsal in Stafford shire : also at Kilkenny in Ireland. On the Continent, it is met with at Kongsberg in Norway, where it is asso ciated with native silver, in veins that traverse mica- slate ; in the Hartz, in veins of red and brown ironstone, which traverse grey-wacke; in imbedded masses in grey- wacke in Dauphiny; in mineral veins at Schemnitz in Hungary. America.—In' beds in transition rocks, in the United States *. Asia.—In the goverment of Katharinoslovv in Siberia- Observations. In this country it is named Blind Coal, Third * Vid. Maclure’s interesting Sketch of the Mineralogy of the Unit«<5 States, and Dr Bruce’s MineraJogical Journal. - t