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Molecular formula : MW : CAS :
nature : also known as arsenopyrite. Often containing nickel, cobalt and so on. Tin steel gray to white. A metallic sheen. Monoclinic. Chang Cheng columnar, such as needle assemblies. Density 5.89-6.20. Hardness 5.5-6.0. Sexual crisp. Fracture steel gray, often with yellow color uplift the reform. Traces of a dark gray. Good conductivity. When garlic is against foul. As for the extraction and manufacture of arsenic compounds such as arsenic trioxide, arsenic sodium, calcium arsenic, lead, arsenic. Cobalt-containing cobalt were called arsenopyrite (cobaltian arsenopyrite), for cobalt extraction of the mineral raw materials.
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