Minerals identify

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Smaltite

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Smaltite is a variety of the mineral skutterudite consisting of cobalt : (Co,Fe,Ni)As2.

Smaltite crystallizes in the cubic system with the same hemihedral symmetry have usually the form of cubes or cubo-octahedra, but are imperfectly developed and of somewhat rare occurrence. More often the mineral is found as compact or granular masses. The color is tin-white to steel-grey, with a metallic luster is 5.5 and the specific gravity is 6.5. The cobalt is partly replaced by iron , and as the latter increases in amount there is a passage to the isomorphous species chloanthite

Smaltite occurs in veins with ores and silver. The best known localities are Cobalt, Ontario, Germany. The name smaltite was given by F. S. Beudant in 1832 because the mineral was used in the preparation of smalt for producing a blue color in porcelain

Identification