A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . Cal. Almaden Spain, Mt. Avala,Servia, Idria, Carniola Austria, and Felsobanya Hungary. Greenockite, the sulphide of cadmium is an infrequent min-eral and interesting, in crystallized forms, from its hemimorphism,the two ends of the hexagonal prisms being differently at Greenock, Scotland, in yellow xtals on prehnite, also atJoplin, Mo., FrankHn, N. J. Friedensville, Pa. Millerite and Niccolite are respectively the sulph
A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . Cal. Almaden Spain, Mt. Avala,Servia, Idria, Carniola Austria, and Felsobanya Hungary. Greenockite, the sulphide of cadmium is an infrequent min-eral and interesting, in crystallized forms, from its hemimorphism,the two ends of the hexagonal prisms being differently at Greenock, Scotland, in yellow xtals on prehnite, also atJoplin, Mo., FrankHn, N. J. Friedensville, Pa. Millerite and Niccolite are respectively the sulphide andarsenide of nickel. The former is usually in slender needles, form-ing mosslike tufts or long hair-brown acicular groups, sometimesenrolled like a bunch of hair. Niccolite, a not dissimilar compound,is quite contrasted in appearance. It is massive, copper-red, andis not unlike a native metal when seen across broken the past few years numerous discoveries of nickel ore havebeen reported from various parts of the country, but chiefly in theState of Nevada. The sample from the greatest depth was nearly 128 A POPULAR GUIDE TO MINERALS.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmineral, bookyear1912
