anorthite
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.an·or·thite
noun \ə-ˈnȯr-ˌthīt\Definition of ANORTHITE
: a white, grayish, or reddish feldspar occurring in many igneous rocks
— an·or·thit·ic \ˌa-nȯr-ˈthi-tik\ adjective
See Origin of ANORTHITE
French, from a- + Greek orthos straight
First Known Use: 1823
anorthite
noun (Concise Encyclopedia)Feldspar mineral, calcium aluminosilicate (CaAlSiO), 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 occurs in basic igneous rocks (see acid and basic rocks).
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