Mineral in igneous rocks
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LENADMineral in igneous rocks.
PYROXENEMineral found in igneous rocks
MICAMineral found in igneous, sedimentary, and metamorphic rocks
labradoriteA mineral of the plagioclase feldspar group, found in many igneous rocks
trichiteany of various minute, hairlike mineral bodies occurring in certain vitreous igneous rocks, esp. obsidian
uralitean amphibole mineral, similar to hornblende, that replaces pyroxene in some igneous and metamorphic rocks
phlogopiteA brown micaceous mineral that occurs chiefly in metamorphosed limestone and magnesium-rich igneous rocks
nephelinicof or like nepheline, a mineral found in igneous rocks and used for ceramics and enamels
augitea usually black or dark green mineral that consists of aluminous pyroxene and is found especially in igneous rocks
augitesa usually black or dark green mineral that consists of aluminous pyroxene and is found especially in igneous rocks
oligoclaseA feldspar mineral common in siliceous igneous rocks, consisting of a sodium-rich plagioclase (with more calcium than albite)
andesinemineral, intermediate in the plagioclase feldspar group, having a play of colors and usually found as crystals in igneous rocks
sodalitesmineral, sodium aluminum silicate, Na4Al3Si3O12Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks
sodalitemineral, sodium aluminum silicate, Na4Al3Si3O12Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks
nephelineA colorless, greenish, or brownish mineral consisting of an aluminosilicate of sodium (often with potassium) and occurring as crystals and grains in igneous rocks
biotitesvery common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks
biotitevery common mineral of the mica group, occurring in black, dark-brown, or dark-green sheets and flakes: an important constituent of igneous and metamorphic rocks
analcimea white or slightly colored mineral that consists of hydrated silicate of sodium and aluminum and occurs in various igneous rocks in massive form or in crystals
hornblendesA dark brown, black, or green mineral of the amphibole group consisting of a hydroxyl alumino-silicate of calcium, magnesium, and iron, occurring in many igneous and metamorphic rocks
enstatiteA translucent crystalline mineral of varying colors that occurs in some igneous rocks and stony meteorites. It consists of magnesium silicate and is a member of the pyroxene group
sodalitea transparent to translucent mineral that consists of a silicate of sodium and aluminum with some chlorine, has a vitreous or greasy luster, and is found in various igneous rocks
pyroxeneany of a group of minerals common in igneous rocks
pyroxenesPYROXENE, any of a group of minerals common in igneous rocks
anorthitea white, grayish, or reddish feldspar occurring in many igneous rocks
muscoviteA silver-gray form of mica occurring in many igneous and metamorphic rocks
leucocraticof igneous rocks, light in colour, due to a low content of iron and magnesium
albiticthe sodium end member of the plagioclase feldspar group, light-colored and found in alkalic igneous rocks
variolelight-colored spherule, common in some igneous rocks, that gives a pockmarked appearance to weathered rock surfaces
albitethe sodium end member of the plagioclase feldspar group, light-colored and found in alkalic igneous rocks
varioleslight-colored spherule, common in some igneous rocks, that gives a pockmarked appearance to weathered rock surfaces
albitesthe sodium end member of the plagioclase feldspar group, light-colored and found in alkalic igneous rocks
plagioclaseA form of feldspar consisting of aluminosilicates of sodium and/or calcium, common in igneous rocks and typically white
sanidineglassy, often transparent variety of orthoclase in which sodium may replace as much as 50 percent of the potassium: forms phenocrysts in some igneous rocks
sanidinesglassy, often transparent variety of orthoclase in which sodium may replace as much as 50 percent of the potassium: forms phenocrysts in some igneous rocks
olivinesany of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks
olivineany of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks
effusivenoting or pertaining to a class of igneous rocks that have been forced out in a molten or plastic condition upon the surface of the earth
olivinicany of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive-green to gray-green masses as an important constituent of basic igneous rocks
metamorphicDenoting rock that has undergone transformation by heat, pressure, or other natural agencies, e.g., in the folding of strata or the nearby intrusion of igneous rocks
irona silver-white malleable ductile magnetic heavy metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes see element table