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226 FLUOR FAMILY. miles in length: in these, the fluor-spar occurs in great quantity, along with galena, iron-pyrites, copper pyrites, much sparry iron-ore, calcareous-spar, and quartz : at Kongsberg in Norway, in veins that traverse mica- slate and hornblende-slate, along with ores of silver, lead, zinc, copper, iron, and arsenic, and the crystals are most commonly octahedral or'polvhedral: in mica-slate at Jon- koping in Oeland, in Sweden : in the Bohemian and Saxon Erzgebirge, in veins, along with tinstone, arsenic* pyrites, iron-pyrites, and copper-pyriles, quartz, and apa tite : in Switzerland, in very small veins, along with felspar, rock-crystal, and other minerals that characterise what are considered as veins of the oldest formation: near ltegensburg in Lower Bavaria, along with quartz, inclin ing to calcedony, in veins traversing graHite: at Freiburg in the Brcisgau, in veins traversing gneiss: in newer gra nite, at Baveno in Italy; and it has been lately discovered imbedded in the coarse limestone which rests over chalk in the neighbourhood of Paris; and in unaltered ejected masses at Somma, near Naples. The beautiful carmine- red octahedral variety is found in tiie neighbourhood of Mont Blanc; the remarkably phosphorescent varieties known under the name Chlorophane, are found in Corn wall, in the mine named Pednandrae. Fluor-spar also occurs in Franconia, Austria, France, Denmark, Ilessin, Silesia, Russia, Hungary, and Transylvania. Asia.—The chlorophane variety is found at Catlia- rinenburg and Nertschinskoi: other varieties are found in granite, in the neighbourhood of the lake Gussino- •Osero, on the Mongol frontier; also at Schlangenbcrgi in the silver mine Zimeof, in the Altain range, &c. h is also enumerated as a production of the island of Cey lon. America
