Number 15

Color--------------------Jungle green

Luster------------------Nonmetallic, silky to waxy

Streak------------------Light green

Hardness--------------3.5 - 4.0

Cleavage/-------------Cleavage, perfect in one Fracture                   direction, basal


S.G.---------------------3.9 - 4.0

Special Properties---It will effervesce in HCl

Formula-----------------Cu2(CO3)(OH)2

Mineral Name---------Malachite

Family-------------------Carbonates

Uses---------------------A secondary ore mineral of copper

Malachite