Name |
|
Muscovite |
Chemistry |
|
KAl2[(OH,F)2|AlSi3O10] |
Hardness |
|
2 - 2.5 |
Lustre |
|
vitreous |
Colour |
|
colourless, yellowish, greenish, reddish |
Streak |
|
white |
Density [g/cm3] |
|
2.8 |
Crystal habit |
|
monoclinic, crystals tabular,
pseudohexagonal |
Cleavage, Fracture |
|
[001] perfect |
other characteristics
and occurrences |
|
sericite = microcrystalline
variety
lamellar, coarse to fine flaked, in igneous, metamorphic and sedimentary
rocks |
|
|
|