英语词汇“biotite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

biotite

/ˈbʌɪətʌɪt

noun [mass noun]

A black, dark brown, or greenish black micaceous mineral, occurring as a constituent of many igneous and metamorphic rocks.Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant....

Quartz, feldspar, white mica and biotite are all major constituents.
All four samples are medium-grained, and comprise variable proportions of hornblende, feldspar and quartz with accessory biotite and titanite.

Origin

Mid 19th century: named after J.-B. Biot (1774–1862), French mineralogist.

单词	biotite
释义	biotite /ˈbʌɪətʌɪt / noun [mass noun] A black, dark brown, or greenish black micaceous mineral, occurring as a constituent of many igneous and metamorphic rocks.Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant.... Quartz, feldspar, white mica and biotite are all major constituents. All four samples are medium-grained, and comprise variable proportions of hornblende, feldspar and quartz with accessory biotite and titanite. Origin Mid 19th century: named after J.-B. Biot (1774–1862), French mineralogist.
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