aluminum silicate materials

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• Aluminium silicate — (or aluminum silicate) has the chemical formula Al2SiO5. It has a density of 2.8 to 2.9 g/cm³, a vitreous lustre, a refractive index of 1.56, a Mohs hardness of 1 2, and an orthorhombic crystallography. [cite web|… …   Wikipedia

• Sodium silicate — E550 redirects here. For the Italian locomotive, see FS Class E550 Sodium silicate …   Wikipedia

• clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… …   Universalium

• Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …   Wikipedia

• papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …   Universalium

• optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …   Universalium

• Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …   Universalium

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• Carlos Ortiz Longo — (born August 18, 1962) is currently the Constellation Program Division System Manager for the Structural Engineering Division at the Johnson Space Center in Houston. He is responsible for integrating Constellation Program items related to… …   Wikipedia

• mullite — /mul uyt/, n. a rare clay mineral, aluminum silicate, Al6Si2O13, produced artificially during various melting and firing processes: used as a refractory. Also called porcelainite. [1924; after MULL, source of the rocks in which it was first… …   Universalium

• arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium