MICA

COLOR

• Purple
• Rosy
• Silver
• Gray
• Dark green
• Brown
• Black
• Yellowish-brown
• Green
• White
• Colorless
• Transparent

CRYSTAL STRUCTURE

THE HARDNESS

CHEMICAL FORMULA

• Lepidolite K(Li,Al)3(AlSi3O10) (O,OH, F)2
• biotite K(Mg, Fe)3(AlSi3O10) (OH)2
• phlogopite KMg3(AlSi3O10) (OH)2
• muscovite KAl2(AlSi3O10)(OH)2

STREAK COLOR AND LUSTER

• STREAK-(mica has a lot of minerals it is a group of minerals)-there are different colors of streak for the minerals
• LUSTER-(again there are different kinds of luster for the group mica)-pearly, dull, metallic, and glassy

USED TO MAKE... AND EXPORTED/IMPORTED FROM