- brittle mica
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• маргарит• хрупкая слюда
English-Russian dictionary of geology. 2011.
brittle mica
Смотреть что такое "brittle mica" в других словарях:
brittle mica — ▪ mineral any member of the mica group of silicate minerals that has calcium instead of potassium or sodium. The calcium substitution increases the aluminum to silicon ratio that enhances hardness. This causes it to break instead of bend.… … Universalium
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
