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anatase
[ an-uh-teys, -teyz ]
noun
, Mineralogy.
- a naturally occurring crystalline form of titanium dioxide, TiO 2 .
anatase
/ ˈænəˌteɪz /
noun
- a rare blue or black mineral that consists of titanium oxide in tetragonal crystalline form and occurs in veins in igneous rocks. Formula: TiO 2 Also calledoctahedrite
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Word History and Origins
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Word History and Origins
Origin of anatase1
C19: from French, from Greek anatasis an extending (referring to the length of the crystals), from anateinein to stretch out
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Example Sentences
There is no distinct cleavage (rutile and anatase have cleavages); hardness 5-6; sp.
From Project Gutenberg
Minute crystals of brookite have been detected with anatase and rutile in the iron-ore of Cleveland in Yorkshire.
From Project Gutenberg
Brookite occurs only as crystals, never in compact masses, and is usually associated with either anatase or rutile.
From Project Gutenberg
Titanic acid occurs in nature crystallized in anatase, arkansite, brookite, and rutile.
From Project Gutenberg
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