Number 9

Color--------------------Yellowish brown

Luster------------------Nonmetallic,earthy

Streak-------------------Brownish yellow to orange-yellow

Hardness--------------5.5

Cleavage/-------------Fracture,irregular
Fracture

S.G.---------------------2.7 - 4.3

Special Properties---Doesn't have a single composition.

Formula-----------------FeO(OH)   nH2O

Mineral Name---------Limonite

Family-------------------Hydroxides

Uses---------------------Secondary ore of iron

Limonite