anorthite
a white or gray feldspar mineral, CaAl2Si2O8, calcic plagioclase.
Origin of anorthite
1Other words from anorthite
- an·or·thit·ic [an-awr-thit-ik], /ˌæn ɔrˈθɪt ɪk/, adjective
Words Nearby anorthite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use anorthite in a sentence
Rougemonite consists largely of anorthite with pyroxene as the only important ferro-magnesian constituent.
Montreal 1535-1914 under the French Rgime | William Henry Athertonanorthite is an essential constituent of many basic igneous rocks, such as gabbro and basalt, also of some meteoric stones.
The name anorthite was given to the Vesuvian mineral by G. Rose in 1823, on account of its anorthic crystallization.
anorthite occurs in white translucent or transparent crystals.
Geology | James GeikieLike labradorite and anorthite, it is a common constituent of basic igneous rocks, such as gabbro and basalt.
British Dictionary definitions for anorthite
/ (ænˈɔːθaɪt) /
a white to greyish-white or reddish-white mineral of the feldspar group and plagioclase series, found chiefly in igneous rocks and more rarely in metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: calcium aluminium silicate. Formula: CaAl 2 Si 2 O 8 . Crystal structure: triclinic
Origin of anorthite
1Derived forms of anorthite
- anorthitic (ˌænɔːˈθɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for anorthite
[ ăn-ôr′thīt ]
A white to gray triclinic mineral of the plagioclase feldspar group. Anorthite is the plagioclase mineral that is richest in calcium and occurs in alkaline igneous rocks such as gabbro. Chemical formula: CaAl2Si2O8.
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