| 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 |
 |
|
|