The luster of mica is pearly.
The hardness of mica is 2.8.
Mica comes in many different color, they range from colorless to dark brown and everything in between.
The streak of mica is colorless or white.
Mica forms in sheets naturally, they are very thin and delicate.
Cleavage and Fracture
Mice fractures unevenly and the cleavage is 1,1.
Where is it?
Mica is found in sheets in India, but in flakes in the US.
How is it mined?
Mica is mined by the traditional open pit method. When the mica is soft miners use shovels, scrapers, and dozers. When the mica is harder or in ores they drill and blast.