MICA Flashcards
1
Q
muscovite mica characteristics
A
- perfect cleavage
- colourless/translucent
- colour range from light yellow to brown
- pearly lustre
-colourless in ppl/shiny in xpl
2
Q
muscovite mica occurrance
A
intermediate to acidic(felsic) igneous rock
3
Q
biotite mica characteristics
A
- perfect cleavage
- colour dark green, brown to black
-brown plenchroic in ppl/xpl
4
Q
biotite mica occurrance
A
intermediate to acidic(felsic) igneous rock
