andalusite

andalusite :

Hide the accordion in IE6 during init to prevent strange rendering. if Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate Orthoclase is an important tectosilicate mineral, which forms igneous rock. 01. Copyright 2006 WhoLinks2Me. All rights reserved. Thumbnails by Thumbshots.org. pressure regimes and are therefore rarely found together in the same rock. Because of this the three minerals. Kyanite, whose name derives from the Greek word kyanos, meaning blue, is a typically blue silicate mineral, commonly found in aluminium ANDALUSITE, a mineral with the same chemical composition as cyanite and sillimanite, being a basic aluminium silicate, Al 2 SiO 5. As in sillimanite, its crystalline form is referable to the orthorhombic system. Crystals of precious stone prized since antiquity for its intense blue color. Andalusite is an aluminium nesosilicate mineral with the chemical formula Al2SiO5. or temperature. The minerals kyanite and sillimanite are polymorphs of Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. pressure regimes and are therefore rarely found together in the same rock. Because of this the three. noun. a very hard, orthorhombic silicate of aluminum, AlSiO, usually found in schist, slate, or other metamorphic. Andalusite is an aluminium nesosilicate mineral with the chemical formula Al2SiO5. The variety chiastolite commonly contains dark inclusions of andalusite carbon or clay which form an X or a cross in section. A clear variety first found in Andalusia, Spain can be cut into an interesting gemstone. Faceted authored or produced data and information are in the public domain File history Legend