biotitic

• 过时的形容词，指与黑云母相关的或由黑云母形成的；黑云母是一种常见的深色云母矿物。

An obsolete adjective relating to or derived from biotite, a common dark mica mineral.

1. Relating to biotiteC2formalscientific

   Pertaining to, containing, or characteristic of the mineral biotite, a common dark mica found in igneous and metamorphic rocks.

   黑云母的

   • The geologist identified a biotitic schist in the rock formation.
   • Biotitic granite is often used as a decorative building stone.
   • The sample showed a biotitic texture under the microscope.