• Thumbnail for Pyroxene
    pyroxenes (commonly abbreviated Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks. Pyroxenes...
    13 KB (1,476 words) - 22:03, 13 August 2024
  • Thumbnail for Chondrule
    mineral, i.e. porphyritic olivine (PO), porphyritic pyroxene (PP), and porphyritic olivine-pyroxene (POP). It seems likely that these chondrules cooled...
    10 KB (1,122 words) - 16:42, 6 July 2024
  • The pyroxene pallasite grouplet is a subdivision of the pallasite meteorites (stony-irons). The grouplet is named "pyroxene pallasites" because they are...
    3 KB (199 words) - 21:08, 20 March 2023
  • Thumbnail for Peridotite
    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...
    32 KB (3,793 words) - 16:10, 25 August 2024
  • Thumbnail for Pyroxenite
    is an ultramafic igneous rock consisting essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite. Pyroxenites...
    6 KB (749 words) - 19:20, 18 January 2024
  • Thumbnail for Amphibolite
    mineralogy of pyroxene and plagioclase, etc. has altered to actinolite and saussurite (albite + epidote). The texture is distinctive, the pyroxene altered to...
    9 KB (1,012 words) - 14:30, 9 January 2024
  • Thumbnail for Chondrite
    in space; most chondrules are rich in the silicate minerals olivine and pyroxene. Chondrites also contain refractory inclusions (including Ca–Al inclusions)...
    47 KB (5,159 words) - 16:33, 6 July 2024
  • Thumbnail for Mafic
    dark in color, and common rock-forming mafic minerals include olivine, pyroxene, amphibole, and biotite. Common mafic rocks include basalt, diabase and...
    7 KB (736 words) - 08:09, 27 September 2023
  • Thumbnail for Gabbro
    each of pyroxene or hornblende. Hornblende gabbro is composed almost entirely of plagioclase and hornblende, with less than 5% each of pyroxene or olivine...
    19 KB (2,320 words) - 02:21, 7 September 2024
  • Thumbnail for Harzburgite
    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...
    4 KB (506 words) - 19:24, 18 January 2024
  • Thumbnail for Cummingtonite
    clinochlore chlorite, talc, serpentine-antigorite minerals or metamorphic pyroxene. Magnesium-rich cummingtonite can also coexist with anthophyllite. Cummingtonite...
    8 KB (581 words) - 12:13, 14 February 2024
  • Thumbnail for Amphibole
    and general characteristics they are similar to the pyroxenes. The chief differences from pyroxenes are that (i) amphiboles contain essential hydroxyl...
    15 KB (1,556 words) - 23:57, 4 March 2024
  • Thumbnail for Wollastonite
    garnets, vesuvianite, diopside, tremolite, epidote, plagioclase feldspar, pyroxene and calcite. It is named after the English chemist and mineralogist William...
    17 KB (1,686 words) - 14:18, 18 July 2024
  • take down King Uchuuchouten. Chosen card battlers that each possess a pyroxene (輝石, kiseki) stone (alternatively translated as "cornerstone"). The stones...
    37 KB (2,737 words) - 08:41, 24 July 2024
  • Thumbnail for Basalt
    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...
    69 KB (7,809 words) - 23:15, 3 September 2024
  • Thumbnail for Cumulate rock
    with 50% plagioclase, 40% pyroxene, 5% olivine and 5% groundmass (in essence a gabbro) would be termed a plagioclase-pyroxene adcumulate with accessory...
    14 KB (1,748 words) - 19:00, 18 December 2023
  • Thumbnail for Hornfels
    and aluminum spinel in the pyroxene hornfels facies. The sanidinite facies for this composition differs from the pyroxene hornfels facies only in the...
    17 KB (2,160 words) - 14:08, 17 August 2024
  • 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...
    5 KB (492 words) - 01:52, 13 July 2022
  • Thumbnail for Andesite
    texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende. Andesite is the extrusive equivalent of plutonic diorite...
    25 KB (2,767 words) - 23:46, 10 May 2024
  • Thumbnail for Silicate mineral
    double chains. The Nickel–Strunz classification is 09.D – examples include: Pyroxene group Enstatite – orthoferrosilite series Enstatite – MgSiO3 Ferrosilite...
    20 KB (1,897 words) - 18:21, 16 July 2024
  • Thumbnail for Igneous rock
    composition of the rock. Feldspars, quartz or feldspathoids, olivines, pyroxenes, amphiboles, and micas are all important minerals in the formation of...
    48 KB (5,656 words) - 02:36, 23 June 2024
  • Thumbnail for Scapolite
    unaltered state these are ophitic and consist of pyroxene enclosing lath-shaped plagioclase feldspars; the pyroxene is often changed to uralite. When the feldspar...
    13 KB (1,535 words) - 19:20, 18 January 2024
  • Lherzolite – an ultramafic and ultrabasic rock that is composed of olivine and pyroxenePages displaying wikidata descriptions as a fallback – An ultramafic rock...
    14 KB (2,187 words) - 23:33, 16 April 2024
  • Thumbnail for Jade
    group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). Nephrite is typically green, although may be yellow...
    38 KB (4,497 words) - 11:26, 1 September 2024
  • Thumbnail for Pallasite
    upon etching. Minor constituents are schreibersite, troilite, chromite, pyroxenes, and phosphates (whitlockite, stanfieldite, farringtonite, and merrillite)...
    20 KB (2,486 words) - 19:57, 12 June 2024
  • Thumbnail for Ringing rocks
    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...
    33 KB (4,486 words) - 12:50, 26 August 2024
  • 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...
    751 bytes (133 words) - 22:51, 13 June 2024
  • Thumbnail for Augite
    Augite (category Pyroxene group)
    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...
    5 KB (367 words) - 21:28, 11 January 2024
  • Thumbnail for Moon rock
    less common anorthositic gabbro (70-80% calcic plagioclase, with minor pyroxene). The ferroan anorthosite suite is the most common group in the highlands...
    34 KB (3,392 words) - 15:52, 23 August 2024
  • Thumbnail for Metasilicate
    Pyroxene (diopside) is a mineral classified as a metasilicate....
    840 bytes (69 words) - 08:47, 16 February 2024