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Universalium. 2010.
brittle mica — noun : a mineral of the clintonite group … Useful english dictionary
Mica — For other uses, see Mica (disambiguation). Rock with mica … Wikipedia
clintonite — ▪ mineral also called Seybertite, mica mineral, a basic aluminosilicate of calcium, magnesium, and iron. It occurs in chlorite schist (with talc) and in altered limestones. Clintonite is the primary member of a group of micas (also… … Universalium
chloritoid — ▪ mineral common silicate mineral, a basic aluminosilicate of manganese, magnesium, and iron. Once thought to be a member of the brittle mica group, chloritoid has been demonstrated to be structurally different; it is further distinguished… … Universalium
Маргарит — 1. М л, хрупкая слюда, СаАl2[(ОН)2|×Al2Si2O10]. Ca частично замещен Na, Ba, Sr, К. В хлоритовых, слюдяных и др. кристаллических сланцах асс. с турмалином, ставролитом; в м ниях наждака с диаспором. Изменяется в дедлеит. Разное.: эфесит… … Геологическая энциклопедия
ottrelite — /o treuh luyt /, n. Mineral. a brittle mica containing manganese and similar to margarite in physical and chemical properties. [1835 45; < F ottrélite, named after Ottrez, Belgium, where it is found; see LITE] * * * manganese rich variety… … Universalium
маргарит — хрупкая слюда — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность Синонимы хрупкая слюда EN brittle mica … Справочник технического переводчика
clintonite — ˈklintənˌīt noun ( s) Etymology: DeWitt Clinton + English ite 1. : seybertite 2. : a group of micas that contain calcium instead of potassium see … Useful english dictionary
lesleyite — ˈleslēˌīt, ezl noun ( s) Etymology: John Lesley, Jr., 19th century American on whose farm it was found + English ite : a mineral approximately K2Al8 2/3Si4O20(OH)4 consisting of a brittle mica that is related to margarite but contains potassium … Useful english dictionary
Shear (geology) — Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics. Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear… … Wikipedia
