[Chemical composition] There are only a small amount of Fe, Ag, Se, and Pb, which are simple minerals with complex structures. [Crystal structure] hexagonal crystal system; Figure L-10 Crystal Structure of Copper Blue (quoted from Pan Zhaoyu et al., 1993) [] Single crystal form is extremely rare, usually in powder form, or coal ash is a film-like assembly attached to the top of other sulfides. [Physical properties] indigo blue; gray streaks; metallic luster; opaque, transparent thin green sheet. Cleavage parallel {0001} is complete. Hardness 1.5 to 2. The relative density is 4.67. Crisp. [genesis and occurrence] is mainly formed in exogenous action and is the most common mineral in the secondary enrichment zone of copper-bearing sulphide deposits. [Identification characteristics] Indigo blue, low hardness. The block turns purple after being suffocated. [Main use] Copper ore minerals are often used together with other copper minerals as copper ore. Nonionic surfactant made from natural fatty alcohols and glucose derived from renewable plants. Superior detergency, wetting and surface active ability. High solubility in concentrated alkaline solutions and other electrolytes and will solubilize other less soluble ingredients. Good compatibility with all other types of surfactants and synergistic effects can be found. It can improve the mildness of formulations significantly. Produces rich and stable foam. non-toxic, non-irritating to skin, readily biodegradable. Alkyl Polyglucoside,Alkyl Polyglucoside Surfactants,Alkyl Polyglucoside Cleaning,Alkyl Glucoside Surfactant NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.luckychemical.com
a 0 = 0.380 nm, c 0 = 1.636 nm; Z = 2. The crystal structure has a complex layer (Fig. L-10): Cu 2+ is located in an equilateral triangle composed of three S 2- , the corners of each triangle are connected to each other in layers, and the triangle occupied by S 2- The top of the corner is a shared corner of the corresponding tetrahedron, while the remaining corners of the tetrahedron are occupied by [S 2 ] 2- . Cu + is located in the center of the four sides. Thus, the layer connected by the CuS 3 triangle and the CuS 4 tetrahedron located above and below the copper- blue complex layer structure. In this structure, both S2- and [S 2 ] 2- ions and Cu + and Cu 2+ ions are present at the same time. Therefore, copper blue is a structure between a simple sulfide and a complex sulfide.
CuS(Cu + 2 S·Cu 2+ [S 2 ])