Mica
| Use attributes for filter ! | |
| Streak | White, colorless |
|---|---|
| Cleavage | Almost perfect |
| Specific gravity | 2. 8–3. 0 |
| Mohs scale hardness | lepidolite |
| biotite | |
| muscovite | |
| Diagnostic features | cleavage |
| Luster | pearly, vitreous |
| Fracture | flaky |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1156321 |
About Mica
The mica group of sheet silicate minerals includes several closely related materials having nearly perfect basal cleavage. All are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition.