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anorthite    音标拼音: [æn'ɔrθ,ɑɪt]
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  • Anorthite - Wikipedia
    Anorthite Anorthite is the calcium endmember of the plagioclase feldspar mineral series The chemical formula of pure anorthite is Ca Al 2 Si 2 O 8 Anorthite is found in igneous rocks
  • Anorthite: Mineral information, data and localities.
    Named in 1823 by Gustav Rose from the Greek αν and oρθός, "not right angle" or "oblique", in allusion to the oblique triclinic form of the crystals Feldspar Group Ca-rich end member of the plagioclase (Albite -Anorthite Series) High- and low-temperature structural modifications exist
  • Anorthite | Igneous, Plutonic, Calcium | Britannica
    Anorthite, a feldspar mineral, calcium aluminosilicate (CaAl2Si2O8), that occurs as white or grayish, brittle, glassy crystals Primarily a rock-forming mineral, it is used in the manufacture of glass and ceramics
  • Anorthite Value, Price, and Jewelry Information - Gem Society
    Everything you ever wanted to know about anorthite Find value guidelines, scientific data, expert comments, and more in our Gem Listings
  • A to Z List - Web Mineral
    Over 4,714 mineral species descriptions are included in this HTML-linked alphabetical listing of all known valid mineral species
  • Anorthite: Composition, Structure, Formation and Properties
    Anorthite is a calcium-rich plagioclase feldspar with the formula CaAl₂Si₂O₈ This article outlines its chemical composition, crystal structure, formation processes, physical and optical properties, and geological occurrence
  • Anorthosite - Wikipedia
    Anorthosite ( əˈnɔːrθəsaɪt ) is a phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal mafic component (0–10%) Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly present
  • Anorthite Gemstone: Properties, Meanings, Value More
    Anorthite (uh-nore-thyte) is a widely distributed rock-forming mineral but a rare and obscure gemstone! It usually occurs in grayish-white colors with hints of red or pale orange and has a grainy texture similar to moon-rock
  • Igneous rock - Albite, Anorthite, System | Britannica
    If the magma tears from its wall minerals, say, olivine and anorthite, which are formed earlier than pyroxene and labradorite in the series, they will react with the liquid to form these same minerals with which the magma is in equilibrium
  • Anorthite Archives - Cochise College Geology
    Chemical Group: Silicate (plagioclase feldspar) Chemical Formula: CaAl2Si2O8 Anorthite is the calcium end member of the plagioclase feldspars Anorthite ranges from 0% to 10% NaAlSi3O8 and 100% to 90%CaAl2Si2O8 Color: White, gray, reddish Transparency: Transparent to translucent Streak: Uncolored Luster: Vitreous, pearly Tenacity: Brittle





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