biotite

biotite is a common mineral found in igneous rocks.

scientists often study biotite to understand geological processes.

biotite can be identified by its dark color and perfect cleavage.

in metamorphic rocks, biotite can form from the alteration of other minerals.

geologists often use biotite as an indicator of temperature and pressure conditions.

biotite is commonly associated with granite and schist.

the presence of biotite can affect the color of the rock.

biotite is often used in the study of petrology.

in thin sections, biotite appears as elongated flakes.

biotite can be found in various geological environments.