Definition of biotite in English:

biotite

noun ˈbʌɪətʌɪtˈbaɪəˌtaɪt

mass noun

A black, dark brown, or greenish black micaceous mineral, occurring as a constituent of many igneous and metamorphic rocks.
黑云母
Example sentencesExamples
- Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant.
- All four samples are medium-grained, and comprise variable proportions of hornblende, feldspar and quartz with accessory biotite and titanite.
- These microfaults are commonly pulled apart with growth of new quartz and biotite between pulled apart feldspar and hornblende.
- Quartz, feldspar, white mica and biotite are all major constituents.
- In most of the intrusion, hornblende and biotite are both present, but occasionally either may constitute the sole mafic phase.

Origin

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

Definition of biotite in US English:

biotite

nounˈbaɪəˌtaɪtˈbīəˌtīt

A black, dark brown, or greenish black variety of mica, occurring in many igneous and metamorphic rocks.
黑云母
Example sentencesExamples
- In most of the intrusion, hornblende and biotite are both present, but occasionally either may constitute the sole mafic phase.
- These microfaults are commonly pulled apart with growth of new quartz and biotite between pulled apart feldspar and hornblende.
- 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.
- Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant.

Origin

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

词汇	biotite
释义	Definition of biotite in English: biotite noun ˈbʌɪətʌɪtˈbaɪəˌtaɪt mass noun A black, dark brown, or greenish black micaceous mineral, occurring as a constituent of many igneous and metamorphic rocks. 黑云母 Example sentencesExamples Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant. All four samples are medium-grained, and comprise variable proportions of hornblende, feldspar and quartz with accessory biotite and titanite. These microfaults are commonly pulled apart with growth of new quartz and biotite between pulled apart feldspar and hornblende. Quartz, feldspar, white mica and biotite are all major constituents. In most of the intrusion, hornblende and biotite are both present, but occasionally either may constitute the sole mafic phase. Origin Mid 19th century: named after J.-B. Biot (1774–1862), French mineralogist. Definition of biotite in US English: biotite nounˈbaɪəˌtaɪtˈbīəˌtīt A black, dark brown, or greenish black variety of mica, occurring in many igneous and metamorphic rocks. 黑云母 Example sentencesExamples In most of the intrusion, hornblende and biotite are both present, but occasionally either may constitute the sole mafic phase. These microfaults are commonly pulled apart with growth of new quartz and biotite between pulled apart feldspar and hornblende. 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. Although dark minerals such as biotite and hornblende are usually present, giving the rock a speckled appearance, they are never abundant. Origin Mid 19th century: named after J.-B. Biot (1774–1862), French mineralogist.
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