muscovite definition by Wordo

Noun

A

pale

brown

mineral

of

the

mica

group

,

being

a

basic

potassium

aluminosilicate

with

the

chemical formula

KAl

<

sub

>

2

sub

>(

Si

<

sub

>

3

sub

>

Al

)

O

<

sub

>

10

sub

>(

OH

,

F

)<

sub

>

2

sub

>;

used

as

an

electrical

insulator

etc

.