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Chemical-Cu2 (OH) 2CO3 or CuCO3 Cu (OH) 2. From the copper salt of alkaline components. Monoclinic, Crystal was needle, usually radiotherapy or bell-like emulsion collectivities. Green. A glass or King Kong shiny gloss and hardness of 3.5 to 4; Sexual crisp, 4.0g/cm3 density of ~ 3.9. The production of copper sulfide deposit oxidation zone. Big US malachite color can carve into a variety of decorations for powder paints. Case acid to produce carbon dioxide and generate copper. Also used to extract copper, and the preparation of copper.
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