Number 5

Color--------------------Gold to brassy

Luster------------------Metallic, shiny

Streak------------------Black to greenish black

Hardness--------------6.0 - 6.5

Cleavage/--------------Fracture, uneven
Fracture

S.G.---------------------4.9 - 5.2

Special Properties---Occurs in all geologic
enviroments.

Formula----------------FeS2

Mineral name---------Pyrite

Family------------------Sulfides

Uses--------------------Used in mirrors

Pyrite