Minerals identify

Know how to recognize them

Malachite

Carbonate mineral

Malachite is a copper hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green-banded mineral crystallizes in the monoclinic crystal system , and most often forms botryoidal masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation. Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite

Identification

Color of mineral

Green
Black
Yellow

Mohs scale ( mineral hardness )

3.5

The streak

Green

Density ( specific gravity )

1.655
1.875
1.909

Luster ( interacts light )

Adamantine
Dull
Silky
Vitreous

Crystal ( diaphaneity )

Monoclinic