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Aurichalcite

Aurichalcite

Release time:22 August 2019
Aurichalcite

Type
Mineral

Mineral Classification
Carbonate

Chemical Formula
4[(Zn,Cu)5(CO3)2(OH)6]

Streak
very light blue-green

Mohs Hardness
2-2.5

Crystal System
Monoclinic

Color
blue-green and light-blue

Luster
Pearly, silky

Fracture
Uneven

Description

Aurichalcite is soft, monoclinic, copper and zinc bearing mineral. It forms a soft, scaly, greenish-blue crust in oxidized zones of copper-zinc ore deposits. It is considered to be a guide or indicator of zinc ore.

Uses

Of value to scientists and collectors.

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