Having all three octahedral sites occupied by cations

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  • trioctahedral — (|)trī+ adjective Etymology: tri + octahedral : having all three of the available octahedrally coordinated positions occupied a trioctahedral mica …   Useful english dictionary

  • trioctahedral — tri·octahedral …   English syllables

  • 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

  • Mica — For other uses, see Mica (disambiguation). Rock with mica …   Wikipedia

  • 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

  • Saponite — General Category Smectite, phyllosilicate Chemical formula Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2·n(H2O) Strunz classification 9.EC.45 …   Wikipedia

  • Zussmanite — K(Fe++,Mg,Mn)13 [AlSi17O42] (OH)14 is a hydrated iron rich silicate which was found in 1960 by Stuart Olof Agrell, in the Laytonville quarry, Mendocino County, California. Zussmanite is named in honor of Jack Zussman, Head of the University of… …   Wikipedia

  • Manganite — Catégorie IV : oxydes et hydroxydes[1] Manganite Hartz Allemagne …   Wikipédia en Français

  • mica — micalike, adj. /muy keuh/, n. any member of a group of minerals, hydrous silicates of aluminum with other bases, chiefly potassium, magnesium, iron, and lithium, that separate readily into thin, tough, often transparent, and usually elastic… …   Universalium

  • Baileychlor — Andere Namen IMA 1986 056 Chemische Formel (Zn,Fe2+,Al,Mg)6[(OH)2|(OH)6|(Si,Al)4O10][1] Mineralklasse Silikate und Germanate 9.EC.55 (8. Auflage: VIII/H.23 050) (nach Strunz) (nach …   Deutsch Wikipedia

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