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Molecular formula : MW : CAS :
nature : regular iron and scattered elements cadmium, indium, gallium, germanium, such as thallium. Iron-containing more than 10% were called Marmatite. Equiaxed crystal. Crystal was tetrahedral, and many of granular aggregates. With the increase of iron content, color from light yellow-brown-BB, traces of white to brown. Resin luster to a metallic sheen. A transparent to translucent. Hardness 3-4. Density 3.9-4.2. Galena and often symbiotic formed deposit. Preparation of zinc and zinc compounds all major mineral raw materials. While extracting cadmium, indium, germanium and other scattered elements.
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