Copper Mine Introduction
[Mineral form] spot copper
Equiaxed crystal system. The crystals are cube-shaped and rhombic dodecahedron and octahedron-like crystals. However, they are rarely seen, and they usually form dense blocks and scattered grains. The surface is often oxidized with a blue-purple, mottled copper color and the fresh cross section is pale brownish brown. The streaks are light grey black. Semi-metallic sheen. opaque. Fractures are jagged. Hardness 3. The proportion of 4.9 to 5.0. Brittle. Conductive. It is often produced in the enrichment zone of hydrothermal deposits and secondary sulfide deposits.
[chemical composition] Cu5FeS4 (Cu 63.24%, Fe 11.20%, S 25.54%). However, its composition has a wide range of variation. It can often be combined with chalcopyrite and chalcopyrite into a solid body, and the most common of other incorporations is silver.
ã€Functional Indications】 "Medicine test": "The heart of the lungs, descending Qi falling. The use of fire calcined, can be continued gluten fracture."
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