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nature : (Co, Ni, Fe) As3 - X or (Co, Ni, Fe) + X As3 cobalt, nickel and iron in the larger context of change. Equiaxed crystal, the crystal was cube, octahedron, or both poly-shaped, usually in dense granular and block. Tin steel gray to white, sometimes with color uplift the reform, traces of black ash. A metallic sheen and hardness 5.5-6, density survey. Mainly in cobalt and nickel arsenides hydrothermal veins, often with arsenic nickel, cobalt ore side, the red nickel symbiotic. On the surface oxidation has become easy and cobalt-nickel China. Yes cobalt and nickel refining the important mineral raw materials. Arsenic trioxide can be used for such preparation.
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