biotite in a sentence
Examples
- Amphibole crystals are enclosed in intersitital plagioclase crystals and sometimes contain secondary biotite crystals.
- The largest documented single crystals of biotite were approximately sheets found in Iveland, Norway.
- The dam sat on a foundation of silt and stable biotite gneiss ( rock ).
- Biotite and all ferromagnesian minerals rarely appear in them, and never in considerable amounts.
- For physical and optical identification, it shares most of the characteristic properties of biotite.
- In 1847 he coined the mineral name biotite in honor of physicist Jean Baptiste Biot.
- Their commonest minerals are olivine, anorthite, hornblende, augite, biotite and leucite.
- The younger calcalkaline granites mostly have coarse crystals, they are biotite and hornblende granodiorites.
- The dacites contain phenocrysts of biotite and large feldspar crystals embedded in an oxidized groundmass.
- The Caolingshan Basalt consists of olivine and pyroxene, with crystals of biotite and plagioclase.