sillimanite refractory material

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• COSHH — The Control of Substances Hazardous to Health Regulations 2002 United Kingdom Parliament Citation: 2002 No. 2677 Primary legislation: European Communities Act 1972, Health and Safety at Work etc. Act 1974 Introduced by …   Wikipedia

• Mullite — General Category Silicate mineral Chemical formula Al6Si2O13 Strunz classification 9.AF.20 Crystal symmetry …   Wikipedia

• metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

• Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …   Wikipedia

• kyanite — /kuy euh nuyt /, n. a mineral, aluminum silicate, Al2SiO5, occurring in blue or greenish bladed triclinic crystals, used as a refractory. Also, cyanite. [1785 95; irreg. < Gk kýan(os) CYAN + ITE1] * * * or cyanite or disthene Silicate mineral,… …   Universalium

• aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …   Universalium