The most authoritative answer in 2024
-

-
Lucas Davis——Works at the International Organization for Migration, Lives in Geneva, Switzerland.
Mica schist often contains
muscovite mica rather than
biotite, although both minerals are common. It represents a somewhat higher grade of metamorphism than
talc schist and is more coarse-grained; individual flakes of
mica can be seen.
read more >>
About “Mica、muscovite mica、biotite”,people ask:
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.