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phlogopite
[ flog-uh-pahyt ]
noun
- a magnesium-rich mica mineral, usually yellowish-brown, but sometimes reddish-brown.
phlogopite
/ ˈflɒɡəˌpaɪt /
noun
- a brownish mica consisting of a hydrous silicate of potassium, magnesium, and aluminium, occurring principally in metamorphic limestones and ultrabasic rocks. Formula: KMg 3 AlSi 3 O 10 (OH) 2 See also mica
phlogopite
/ flŏg′ə-pīt′ /
- A yellow to dark-brown mica. Phlogopite is monoclinic and is usually found in limestone. It is used in insulation. Chemical formula: K(Mg,Fe) 3 AlSi 3 O 10 (OH) 2 .
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Word History and Origins
Origin of phlogopite1
1840–50; < Greek phlogōp ( ós ) fiery-looking ( phlog-, stem of phlóx flame + ōp ( ḗ ) view, look + -os adj. suffix) + -ite 1
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Word History and Origins
Origin of phlogopite1
C19: from Greek phlogōpos of fiery appearance, from phlox flame + ōps eye
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