In fact, mica is the name of a group of minerals which are readily split into thin flexible sheets. This distinctive property results from a single perfect cleavage plane which is repeated throughout the mineral.

• 实际上云母是容易分剥成易弯曲薄片的一类矿物的总称，这一特性是由贯穿整个矿物中单一的完全解理的重复出现造成的。