Pyroxene - Law Dictionary Search Results
Home Dictionary Name: pyroxenePyroxenic
Containing pyroxene composed chiefly of pyroxene...
Pyroxene
A common mineral occurring in monoclinic crystals with a prismatic angle of nearly 90deg and also in massive forms which are often laminated It varies in color from white to dark green and black and includes many varieties differing in color and composition as diopside malacolite salite coccolite augite etc They are all silicates of lime and magnesia with sometimes alumina and iron Pyroxene is an essential constituent of many rocks especially basic igneous rocks as basalt gabbro etc...
Bronzite
A variety of enstatite often having a bronzelike luster It is a silicate of magnesia and iron of the pyroxene family...
Coccolite
A granular variety of pyroxene green or white in color...
Diabase
A basic dark colored holocrystalline igneous rock consisting essentially of a triclinic feldspar and pyroxene with magnetic iron often limited to rocks pretertiary in age It includes part of what was early called greenstone...
Diopside
A crystallized variety of pyroxene of a clear grayish green color mussite...
Dolerite
A dark crystalline igneous rock chiefly pyroxene with labradorite...
Enstatite
A mineral of the pyroxene group orthorhombic in crystallization often fibrous and massive color grayish white or greenish It is a silicate of magnesia with some iron Bronzite is a ferriferous variety...
Fassaite
A variety of pyroxene from the valley of Fassa in the Tyrol...
Gabbro
A name originally given by the Italians to a kind of serpentine later to the rock called euphotide and now generally used for a coarsely crystalline igneous rock consisting of lamellar pyroxene diallage and labradorite with sometimes chrysolite olivine gabbro...
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