Molecular formula :
nature : also known as C ore. Portland cement clinker to exist between Alite and belite crystals of iron-aluminate. Yes 6CaO Fe2O3-6CaO & 2Al2O3 # 183; Al2O3 2Fe2O3 series between the solid solution . Have that component is 8CaO 3Al2O3 Fe2O3 - NA Fe2O3 between consecutive solid solution. Ferralisols closer to the average composition of calcium acid 4 (4CaO Al2O3 Fe2O3). An rhomboidal often attended granular and prism-like. 3.77g/cm3 density. Polarized light microscopy is from light brown to deep brown Polychroism. Sexual negative light. Two-axis index ng< Jingjing / SUB> = 2.04 (Li), nm = 2.01 (Li), np = 1.96 (Li), a dual refractive index ng - np = 0.03. Endoscopic reflex reflective ability, was bright white, it usually called white middle phase. The better shock resistance and sulfate resistance.
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