biotite Definition
a very common mineral of the mica group, dark-colored and containing iron and magnesium, found in igneous and metamorphic rocks.
Using biotite: Examples
Take a moment to familiarize yourself with how "biotite" can be used in various situations through the following examples!
Example
The biotite crystals in this rock are easily visible.
Example
Biotite is often used to date the age of rocks.
📌
Summary: biotite in Brief
Biotite [bahy-uh-tahyt] is a dark-colored mineral that belongs to the mica group. It is commonly found in igneous and metamorphic rocks and contains iron and magnesium. Biotite is often used to date the age of rocks.
