seybertite

seybertite
\\ˈsībə(r)d.ˌīt\ noun (-s)
Etymology: French, from Henry Seybert died 1883 American mineralogist + French -ite
: a basic aluminosilicate Ca(Mg,Al)3(Al,Si)4(O,OH)12 of the clintonite group consisting of calcium, magnesium, and aluminum, occurring in monoclinic crystals and foliated masses and having a reddish brown, copper red, or yellowish color and submetallic luster (hardness 4-5, specific gravity 3-3.1)

Useful english dictionary. 2012.

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Look at other dictionaries:

  • seybertite — (sè bèr ti t ) s. f. Silicate d alumine, de magnésie et de fer, originaire de l État de New York …   Dictionnaire de la Langue Française d'Émile Littré

  • seybertite — sey·bert·ite …   English syllables

  • xanthophyllite — ˌ ̷ ̷ ̷ ̷ˈfiˌlīt noun Etymology: German xanthophyllit, from xanth + phyll + it ite; from its color and foliated structure : seybertite * * * xanthophyllite Min. (zænθəʊˈfɪlaɪt) [ad. G. xanthophyllit (G. Rose, 1840) …   Useful english dictionary

  • clintonite — ▪ mineral also called  Seybertite,         mica mineral, a basic aluminosilicate of calcium, magnesium, and iron. It occurs in chlorite schist (with talc) and in altered limestones. Clintonite is the primary member of a group of micas (also… …   Universalium

  • clintonite — ˈklintənˌīt noun ( s) Etymology: DeWitt Clinton + English ite 1. : seybertite 2. : a group of micas that contain calcium instead of potassium see …   Useful english dictionary

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