montmorillonite-type clay

См. также в других словарях:

• Montmorillonite — A sample of montmorillonite (unknown scale) General Category smectite, phyllosilicate …   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

• Clay minerals — Oxford Clay (Jurassic) exposed near Weymouth, England. Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations. Clays have structures similar to… …   Wikipedia

• Clay — For other uses, see Clay (disambiguation). The Gay Head cliffs in Martha s Vineyard consist almost entirely of clay. Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic… …   Wikipedia

• montmorillonite — n. any of a type of clay minerals (used as an additive to a drilling mud) …   English contemporary dictionary

• Medicinal clay — German medicinal clay (Luvos Heilerde) consisting of loess, i.e. a mixture of sand, clay, and silt The use of medicinal clay in folk medicine goes back to prehistoric times. The indigenous peoples around the world still use clay widely, which is… …   Wikipedia

• illite — illitic /i lit ik/, adj. /il uyt/, n. any of a group of clay minerals, hydrous potassium aluminosilicates, characterized by a three layer micalike structure and a gray, light green, or yellowish brown color. [1937; ILL(INOIS) + ITE1] * * * ▪… …   Universalium

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… …   Wikipedia

• Dickite — General Category Phyllosilicate Chemical formula Al2Si2O5(OH)4 Strunz classification 09.ED.05 Dana classification …   Wikipedia

• Microspherulite — Microspherulites are microscopic spherical particles with < 2 mm diameters, usually in the 100 micrometre range, mainly consisting of mineral material (the Greek litos means stone ). Only bodies created by natural physico chemical… …   Wikipedia