A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . inoctahedral crystals, and in radiating fibrous crystals in the province of Constantino, in Alge-ria, {Senarmontite,) also at Perneck, in Hungary. It occurs as a crust or ])owder, or inacicular crystals, with a greasy or earthy lustre, and of a pale yellow or nearly white gravity = 40-8. It is composed of antimony 80-1, oxygen l.)-9 ; Ijut fre(iuently itcontains an admixture of iron, carbonate of lime, &c. It is soluble in muriatic acid. White Ant
A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . inoctahedral crystals, and in radiating fibrous crystals in the province of Constantino, in Alge-ria, {Senarmontite,) also at Perneck, in Hungary. It occurs as a crust or ])owder, or inacicular crystals, with a greasy or earthy lustre, and of a pale yellow or nearly white gravity = 40-8. It is composed of antimony 80-1, oxygen l.)-9 ; Ijut fre(iuently itcontains an admixture of iron, carbonate of lime, &c. It is soluble in muriatic acid. White Antimony [Valentinitc) is the result of the alteration of gray antimony, nativeantimony, and other ores of that metal. It possesses a shining pearly lustre and a snow-white color, but is sometimes pinkish, or ash-gray, or brownish. It ailbrds a white is composed of antimony 84-32, oxygcti L^-tiS. Specific gravity = 5-50. It is found intabular crystals in veins traversing the primary rocks at Prizbram in Bohemia, eear Frey-berg in Saxony, Allemont in Dauphiny, &c. * Ann. des Mines, xi. 79. lua ANTIMONY, GLASS Red Antimony {Kermesite) is a compound of oxide of antimonj 30-2, and sulphide ofantimony C9-8, or antinaony 74-45, oxygen 5-29, and sulphur 20-49. It occurs generally in capillary six-sided prismatic crystals of a cherry-red color, afford-m a brownish-red streak. It has a specific gravity of from 4-5 to 4-6. It is feebly translucent, and possesses an adamantine lustre. It occurs at Walaczka inHungary, Braunsdorf in Saxony, and at AUemout in Dauphiny. At Malboac, in the department of Ar-d^che, in France, the separation of the sulphideof antmiony from its associated gangue iseffected by means of a peculiar apparatus, {) The mineral is placed in large retorts,R R, of which four are set in each aperture is left at the bottom of each ofthese cylinders, which corresponds with a sim-ilar opening by which they are these, in the chamb
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