What is the name of dark-colored mica? Quartz Biotite Olivine Calcite IDON'T KNOWYET

## Step 1The question asks for the name of dark-colored mica. Mica is a group of sheet silicate minerals that includes several closely related materials having close to perfect cleavage into thin sheets or flakes. ## Step 2Among the options provided, Biotite is a common phyllosilicate mineral within the mica group. It is typically black to dark brown in color, which matches the description of dark-colored mica.## Step 3The other options, Quartz, Olivine, and Calcite, are not mica and do not match the description of dark-colored mica.