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Group of inosilicate minerals with single chains of silica tetrahedra
pyroxenes (commonly abbreviated Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks. Pyroxenes
Pyroxene
Coarse-grained ultramafic igneous rock type
(coarse-grained) igneous rock consisting mostly of the silicate minerals olivine and pyroxene. Peridotite is ultramafic, as the rock contains less than 45% silica. It
Peridotite
Ultramafic igneous rock composed of pyroxene minerals
essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite. Pyroxenes have the general formula XY(Si
Pyroxenite
Subdivision of pallasite meteorites
The pyroxene pallasite grouplet is a subdivision of the pallasite meteorites (stony-irons). The grouplet is named "pyroxene pallasites" because they are
Pyroxene_pallasite_grouplet
Class of stony meteorites made of round grains
in space; most chondrules are rich in the silicate minerals olivine and pyroxene. Chondrites also contain refractory inclusions (including Ca–Al inclusions)
Chondrite
Coarse-grained mafic intrusive rock
each of pyroxene or hornblende. Hornblende gabbro is composed almost entirely of plagioclase and hornblende, with less than 5% each of pyroxene or olivine
Gabbro
Common rock-forming pyroxene mineral
Augite, also known as Augurite, is a common rock-forming pyroxene mineral with formula (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6. The crystals are monoclinic and
Augite
Pyroxene mineral
Diopside is a monoclinic pyroxene mineral with composition MgCaSi 2O 6. It forms complete solid solution series with hedenbergite (FeCaSi 2O 6) and augite
Diopside
Metamorphic rock type
mineralogy of pyroxene and plagioclase, etc. has altered to actinolite and saussurite (albite + epidote). The texture is distinctive, the pyroxene altered to
Amphibolite
Ultramafic mantle rock
peridotite consisting mostly of the two minerals olivine and low-calcium (Ca) pyroxene (enstatite); it is named for occurrences in the Harz Mountains of Germany
Harzburgite
Single chain calcium inosilicate (CaSiO3)
garnets, vesuvianite, diopside, tremolite, epidote, plagioclase feldspar, pyroxene and calcite. It is named after the English chemist and mineralogist William
Wollastonite
Type of volcanic rock
texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende. Andesite is the extrusive equivalent of plutonic diorite
Andesite
Class of stony-iron meteorite
upon etching. Minor constituents are schreibersite, troilite, chromite, pyroxenes, and phosphates (whitlockite, stanfieldite, farringtonite, and merrillite)
Pallasite
Magnesium- and iron-rich extrusive igneous rock
black in colour, due to a high content of augite or other dark-coloured pyroxene minerals, but can exhibit a wide range of shading. Some basalts are quite
Basalt
Pyroxene mineral
Jadeite is a pyroxene mineral with composition NaAlSi2O6. It is hard (Mohs hardness of about 6.5 to 7.0), very tough, and dense, with a specific gravity
Jadeite
Ornamental stone, commonly green
group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). Nephrite is typically green, although it may be yellow
Jade
Group of inosilicate minerals
and general characteristics they are similar to the pyroxenes. The chief differences from pyroxenes are that (i) amphiboles contain essential hydroxyl
Amphibole
Igneous rock rich in feldspathoid minerals
feldspathoids. Crystals of alkali feldspar, plagioclase, biotite, amphibole, pyroxene, and/or olivine may be present within the rock. The volcanic equivalents
Foidolite
Round grain found in chondrites, stony meteorites
mineral, i.e. porphyritic olivine (PO), porphyritic pyroxene (PP), and porphyritic olivine-pyroxene (POP). It seems likely that these chondrules cooled
Chondrule
Group of meteorites
chondrules) has been described as "sponge" or "spongy." Grains of olivine and pyroxene silicates, too, are fewer in CM meteorites than COs, but more than CIs
CM_chondrite
Silicate mineral or igneous rock that is rich in magnesium and iron
dark in color, and common rock-forming mafic minerals include olivine, pyroxene, amphibole, and biotite. Common mafic rocks include basalt, diabase and
Mafic
Silicate mineral
clinochlore chlorite, talc, serpentine-antigorite minerals or metamorphic pyroxene. Magnesium-rich cummingtonite can also coexist with anthophyllite. Cummingtonite
Cummingtonite
Japanese anime television series and franchise
take down King Uchuuchouten. Chosen card battlers that each possess a pyroxene (輝石, kiseki) stone (alternatively translated as "cornerstone"). The stones
Battle Spirits: Shounen Toppa Bashin
Battle_Spirits:_Shounen_Toppa_Bashin
Rock-forming minerals with predominantly silicate anions
double chains. The Nickel–Strunz classification is 09.D – examples include: Pyroxene group Clinopyroxene subgroup Aegirine (or acmite) – NaFe3+Si2O6 Augite
Silicate_mineral
Rocks that resonate like a bell when struck
of two minerals that had crystallized in the upper mantle, olivine and pyroxene, quickly settled out of the magma and collected along the base of the sills
Ringing_rocks
Iron-rich pyroxene mineral
Hedenbergite, CaFeSi2O6 (CaFe(SiO3)2), is the iron-rich end member of the pyroxene group having a monoclinic crystal system. The mineral is extremely rarely
Hedenbergite
Group of metamorphic rocks
and aluminum spinel in the pyroxene hornfels facies. The sanidinite facies for this composition differs from the pyroxene hornfels facies only in the
Hornfels
Changes of rock due to pressure and heat near a subduction zone
characterized by the presence of green omphacitic pyroxene and red pyrope garnet. Omphacitic pyroxene is an augite-jadeite solution. At Eclogite facies
Subduction_zone_metamorphism
Formation of serpentinite by hydration and metamorphic transformation of olivine
metamorphic transformation of ferromagnesian minerals, such as olivine and pyroxene, in mafic and ultramafic rock to produce serpentinite. Minerals formed
Serpentinization
Pyroxene: magnesium-iron silicate with MgSiO3 and FeSiO3 end-members
Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite (MgSiO3) – ferrosilite (FeSiO3). The magnesium rich members
Enstatite
Pyroxene mineral variety
Bronzite is a member of the pyroxene group of minerals, belonging with enstatite and hypersthene to the orthorhombic series of the group. Rather than a
Bronzite
Rocks on or from the Moon
less common anorthositic gabbro (70-80% calcic plagioclase, with minor pyroxene). The ferroan anorthosite suite is the most common group in the highlands
Moon_rock
Ultramafic igneous rock composed of pyroxene minerals - a coarse grained plutonic rock composed of >90% pyroxene Quartz diorite – Igneous, plutonic rock
List_of_rock_types
Mafic intrusive igneous rock composed predominantly of plagioclase
plagioclase feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly
Anorthosite
Mineral structure
amphiboles, in which cutting along the {010} plane yields alternating layers of pyroxene and trioctahedral mica. Thompson, J. (1978). Biopyriboles and Polysomatic
Polysome_(crystallography)
Very thick layer of rock inside Earth
material that has come up onto the surface comprises about 55% olivine, 35% pyroxene, and 5–10% of calcium oxide and aluminum oxide minerals such as plagioclase
Upper_mantle
Rock formed through the cooling and solidification of magma or lava
composition of the rock. Feldspars, quartz or feldspathoids, olivines, pyroxenes, amphiboles, and micas are all important minerals in the formation of
Igneous_rock
Relatively rare mineral of the pyroxene group
mineral of the pyroxene group, with formula CaFeAlSiO6. It is the ferric-iron-dominant member. Esseneite is an iron-analogue of other pyroxene-group members
Esseneite
Perception of meaningful patterns or images in random or vague stimuli
A pyroxene crystal in a piece of basalt that resembles a human face, facing to the left
Pareidolia
Ratio of dark- to light-colored minerals in a rock
silica or quartz. Common dark-colored (mafic) minerals include olivine, pyroxene, amphibole, biotite, tourmaline, iron oxides, sulfides, and metals. In
Color_index_(geology)
Mineral
mineral name uralite is at times applied to an alteration product of primary pyroxene by a mixture composed largely of actinolite. The metamorphosed gabbro or
Actinolite
Igneous rock
olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. However, unlike gabbro
Troctolite
Inosilicate mineral
mineral of the pyroxene group, with formula CaScAlSiO6. It is the scandium-dominant member. It stands for scandium-analogue of other pyroxene-group members
Davisite
gneiss. Containing a combination of minerals such as quartz, magnetite and pyroxene, it was named after the small town of Valentines by Prof. J. Bossi. "Genesis
Valentines_iron_formation
Rock consolidated from volcanic ash
Secondary Quartz, feldspars (sanidine, anorthoclase, plagioclase), biotite, pyroxene (augite), hornblende, and magnetite Texture Pyroclastic or eutaxitic
Tuff
Meteorite found in Niger
Olivine average Fe/Mn ratio: 49±3 (N=20) Pyroxene: pigeonite (Fs26-31Wo4-8) ranging to augite (Fs18-24Wo22-32) Pyroxene average Fe/Mn ratio: 30±3 (N=17) Maskelynite
Northwest_Africa_16788
Model composition of the Earth's mantle
basalt and 3 parts dunite. The term is derived from the mineral names pyroxene and olivine. However, whether pyrolite is entirely representative of the
Pyrolite
Mineral weathering prediction method
feldspars are the first to crystallize out of a melt, after which follows pyroxene, amphibole, biotite, Na-plagioglase, orthoclase feldspar, muscovite, and
Goldich_dissolution_series
Metamorphic rock found in blueschist-grade metamorphic terranes
subduction zone environments. Jadeitite consists almost entirely of the pyroxene mineral jadeite and is typically mined as a source of the ornamental rock
Jadeitite
Structure and composition of the Moon
to form in this ocean were the iron and magnesium silicates olivine and pyroxene. Because these minerals were denser than the molten material around them
Geology_of_the_Moon
Crystalline chemical element or compound formed by geologic processes
double-chain silicates and the pyroxenes are single-chain silicates, the angle between their cleavage planes is different. The pyroxenes cleave in two directions
Mineral
Order of crystallization of minerals in magma
change and as the magma further cools the olivine will recrystallise as pyroxene. Since the surface of the Earth is a low temperature environment compared
Bowen's_reaction_series
Volcanic rock intermediate in composition between andesite and rhyolite
mostly of plagioclase feldspar and quartz with biotite, hornblende, and pyroxene (augite or enstatite). The quartz appears as rounded, corroded phenocrysts
Dacite
Pyroxene (diopside) is a mineral classified as a metasilicate.
Metasilicate
Metamorphic rock
more of magnesite, calcite, dolomite, ankerite, and/or siderite. Original pyroxene and olivine in the peridotite are commonly altered to Mg- or Ca-carbonate
Listwanite
Igneous rock formed by accumulating crystals from a magma
with 50% plagioclase, 40% pyroxene, 5% olivine and 5% groundmass (in essence a gabbro) would be termed a plagioclase-pyroxene adcumulate with accessory
Cumulate_rock
Magnesium-rich igneous rock
displays spinifex texture composed of large dendritic plates of olivine and pyroxene. Komatiites are rare rocks; almost all komatiites were formed during the
Komatiite
Texture in igneous rocks
Exsolved magnetite has graphic texture, as do some exsolution textures of pyroxene, pyrite feldspar and rarely other minerals. List of rock textures Rock
Graphic_texture
Class of high-grade medium to coarse grained metamorphic rocks
granulite found in high-grade metamorphic rocks of the continents contains pyroxene, plagioclase feldspar and accessory garnet, oxides and possibly amphiboles
Granulite
Group of rock-forming tectosilicate minerals
unaltered state these are ophitic and consist of pyroxene enclosing lath-shaped plagioclase feldspars; the pyroxene is often changed to uralite. When the feldspar
Scapolite
Main-belt asteroid
forms of pyroxene on the surface, along with less than 20% olivine. The high-calcium form of pyroxene forms 40% or more of the total pyroxene present,
847_Agnia
Series of sub-alkaline magmas
magnesium-rich and iron-poor forms of the silicate minerals olivine and pyroxene, causing the iron content of tholeiitic magmas to increase as the melt
Tholeiitic_magma_series
Amphibole, double chain inosilicate mineral
pinkish-brown Crystal habit Prismatic crystals, fibrous, as reaction rims on pyroxenes Twinning Simple or multiple parallel to {010} Cleavage Good on (110) Fracture
Edenite
In situ resources on the Moon
as iron oxide. Such lunar minerals and glass include ilmenite, olivine, pyroxene, impact glass, and volcanic glass. Various isotopes of oxygen are present
Lunar_resources
Pyroxene mineral
Jeffersonite is a dark green pyroxene mineral, a manganese zinc enriched variety of augite, chemical formula Ca(Mn,Zn,Fe)Si2O6, sometimes compared to aegirine
Jeffersonite
Any polyatomic anion containing silicon and oxygen
chain by sharing two oxygen atoms each. A common mineral in this group is pyroxene. Double-chain silicates, the other category of inosilicates, occur when
Silicate
Cliffs on the Sea of Japan
series of cliffs on the Sea of Japan in Japan made from columnar joints of pyroxene andesite. It is located in the Antō part of Mikuni-chō in Sakai, Fukui
Tōjinbō
Mineral of magnesium iron silicate
Mineralogy History Common minerals Amphibole Bridgmanite K-feldspar Mica Olivine Plagioclase Pyroxene Quartz Spinel Related Industrial mineral Minerals portal
Olivine
Achondritic stony meteorite
Vesta or a similar parent body. They are mostly composed of calcium-poor pyroxene, pigeonite, and calcium-rich plagioclase (anorthite). Based on differences
Eucrite
Complex inosilicate series of minerals
often confused with the pyroxene series and biotite mica, which are also dark minerals found in granite and charnockite. Pyroxenes differ in their cleavage
Hornblende
Phosphide mineral
IIIF IVA IVB Stony-iron Mesosiderite Pallasite Main group Eagle Station Pyroxene Structural Ataxite Hexahedrite Octahedrite Obsolete terms Amphoterite Nonmagmatic
Allabogdanite
Mineral or gemstone
Mineralogy History Common minerals Amphibole Bridgmanite K-feldspar Mica Olivine Plagioclase Pyroxene Quartz Spinel Related Industrial mineral Minerals portal
Spinel
Dark vesicular volcanic rock
intermediate Primary Volcanic glass Secondary Plagioclase, amphibole, pyroxene, magnesium, and olivine Texture Vesicular and glassy to aphanitic, sometimes
Scoria
Mineral assemblage in metamorphic rocks
occurs is not constant. A characteristic mineral for this facies and the pyroxene-hornblende facies is orthopyroxene. The granulite facies is characterized
Metamorphic_facies
Topics referred to by the same term
month of the year in the Gregorian calendar Aug, the IMA symbol for the pyroxene mineral Augite AUG, the most common start codon, often encoding the amino
Aug
Rare pyroxene mineral
Grossmanite is a very rare mineral of the pyroxene group, with formula CaTi3+AlSiO6. It is the titanium-dominant member. Grossmanite is unique in being
Grossmanite
Rock composed mostly of the mineral chromite
oxides such as magnetite and ilmenite, and silicates such as olivine, pyroxene, plagioclase feldspar (mainly anorthite), and garnet crystals. The chromium
Chromitite
Rare porphyritic volcanic rock
dominant analcime phenocrysts in a matrix of analcime, sanidine and alkalic pyroxene with accessory titanite, melanite and nepheline. Blairmorite has been described
Blairmorite
Mafic intrusive igneous rock
microscope. The principal difference between norite and gabbro is the type of pyroxene of which it is composed. Norite is predominantly composed of orthopyroxenes
Norite
Pyroxene mineral
inosilicate and has a chemical formula of (Mg,Mn2+)2Si2O6. It is a member of pyroxene group and clinopyroxene subgroup. Kanoite crystallizes in the monoclinic
Kanoite
Stratovolcano in California, United States
Shasta's southern foot. The last lavas to erupt from the vent were hornblende-pyroxene andesites with a hornblende dacite dome at its summit. Glacial erosion
Mount_Shasta
Igneous rock rich in silica and feldspar
volcanic rocks may contain phenocrysts of mafic minerals, usually hornblende, pyroxene or a feldspar mineral, and may need to be named after their phenocryst
Felsic
Member of the clinopyroxene group of silicate minerals
C2/c depending on the thermal history. It exhibits the typical near 90° pyroxene cleavage. It is brittle with specific gravity of 3.29 to 3.39 and a Mohs
Omphacite
Pyroxene mineral
Pigeonite is a mineral in the clinopyroxene subgroup of the pyroxene group. It has a general formula of (Ca,Mg,Fe)(Mg,Fe)Si2O6. The calcium cation fraction
Pigeonite
Oxide mineral
it occurs with perovskite, melilite, hibonite, spinel and calcium rich pyroxene. Glossary of meteoritics Warr, L.N. (2021). "IMA–CNMNC approved mineral
Grossite
Pyroxene, inosilicate mineral rich in lithium
Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate, LiAl(SiO3)2, and is a commercially important source of lithium. It occurs
Spodumene
Common high-grade metamorphic rock
Composition Classification Felsic to mafic Primary Feldspar, quartz, amphibole, mica Secondary Garnet, zircon, corundum, pyroxene Texture Gneissic banding
Gneiss
Metamorphic rock
metabasalt (spilite). However, basalts may remain quite black if primary pyroxene does not revert to chlorite or actinolite. To qualify for the name, a rock
Greenschist
Mineral made of silicon and oxygen
group comprises 41% of the lithosphere, followed by quartz at 12% and the pyroxene group at 11%. Quartz is a defining constituent of granite and other felsic
Quartz
Tendency of crystalline materials to split along favored planes
rhombohedral and basal parting in corundum, and the basal parting in pyroxenes. Cleavage is a physical property traditionally used in mineral identification
Cleavage_(crystal)
Iron-rich end member of the chlorite group
Like other chlorites, it is a product of the hydrothermal alteration of pyroxenes, amphiboles and biotite in igneous rock. The composition of chlorite is
Chamosite
List of IMA recognized minerals and groupings
Pyroxene Quadrilateral
Classification of silicate minerals
Classification_of_silicate_minerals
Type of volcanic rock
composition. It is a dark porphyritic variety of basanite containing abundant pyroxene and olivine phenocrysts. It contains minor amounts of plagioclase and accessory
Ankaramite
Viticultural area in Washington, US
feldspars and other minerals that are rich in iron and magnesium, such as pyroxene and olivine. The petition states that these minerals and nutrients are
Candy_Mountain_AVA
been observed. The three-phase assemblage is composed of hedenbergitic pyroxene, fayalitic olivine, and an SiO2 polymorph. The two-phase assemblage is
Symplectite
Group of primitive achondrites
identical to the IAB meteorite inclusions. They contain low-Ca pyroxene, high-Ca pyroxene, olivine, plagioclase, troilite, graphite, different phosphates
IIICD_meteorite
Subgroup of phyllosilicate minerals within the kaolinite-serpentine group
may also have their origins in metamorphic alterations of peridotite and pyroxene. Serpentines may also pseudomorphously replace other magnesium silicates
Serpentine_subgroup
Geochemical component of some lunar rocks, potassium, lanthanides, and phosphorus
crystallization of this liquid rock proceeded, minerals such as olivine and pyroxene precipitated and sank to the bottom to form the lunar mantle. After the
KREEP
Variety of high-magnesium basalt that is very rich in the mineral olivine
with yellow-green olivine phenocrysts (20-50%) and black to dark brown pyroxene, mostly augite. The olivine-rich picrite basalts that occur with the more
Picrite_basalt
Hot semifluid material found beneath the surface of Earth
magnesium tends to manifest as a darker groundmass, including amphibole or pyroxene phenocrysts. Mafic or basaltic magmas have a silica content of 52% to 45%
Magma
PYROXENE
PYROXENE
PYROXENE
PYROXENE
Boy/Male
Hindu, Indian
Name of a State
Girl/Female
Arabic
Faithful; Sense of Smell
Boy/Male
English
Lives on the brook island.
Boy/Male
Indian, Sikh
Who Remembers God
Boy/Male
Polish
Awakening glory.
Male
Greek
(Λαφιδὼθ) Greek form of Hebrew Lapiydowth, LAPIDOTH means "torches." In the bible, this is the name of the husband of Deborah.
Boy/Male
Tamil
Lord Shiva
Female
Welsh
 Welsh name LINN means "lake" or "waterfall." Compare with other forms of Linn.
Girl/Female
Arabic, Indian, Muslim
Like Moon
Boy/Male
Hindu
The one who never gets destroyed
PYROXENE
PYROXENE
PYROXENE
PYROXENE
PYROXENE
n.
A variety of pyroxene, from the Mussa Alp in Piedmont; diopside.
n.
A greenish spotted porphyry, being a diabase whose pyroxene has been altered to uralite; -- first found in the Pyreness. So called from the colored spots which give it a mottled appearance.
n.
A variety of pyroxene.
n.
A variety of pyroxene; -- called also fassaite.
n.
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.
n.
Amphibole resulting from the alternation of pyroxene by paramorphism. It is not uncommon in massive eruptive rocks.
n.
A variety of pyroxene, from the valley of Fassa, in the Tyrol.
n.
An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.
n.
A granular, crystalline, ingeous rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (elaeolite) or leucite, and is then called nephelite (elaeolite) syenite or leucite syenite.
n.
A variety of pyroxene of olive-green color passing into brown. It contains zinc.
n.
A common mineral occurring in monoclinic crystals, with a prismatic angle of nearly 90¡, 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.
n.
A soft, compact variety of talc,, being an altered pyroxene. It is often worked in a lathe into inkstands and other articles.
n.
A variety of enstatite, often having a bronzelike luster. It is a silicate of magnesia and iron, of the pyroxene family.
n.
An igneous rock consisting largely of chrysolite, with pyroxene and picotite (a variety of spinel containing chromium).
n.
A massive lamellar variety of pyroxene, of a dingy green color.
n.
An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster (schiller) on the cleavage surface.
n.
A rock consisting essentially of pyroxene.
n.
The change of pyroxene to amphibole by paramorphism.
n.
A dark-colored, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt.
a.
Containing pyroxene; composed chiefly of pyroxene.