Malachite

Cu2(CO3)(OH)2

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A vivid green copper carbonate (Cu2(CO3)(OH)2), malachite has been used as a pigment and gemstone for thousands of years. It crystallizes in the monoclinic system, most commonly as botryoidal, stalactitic, or banded massive aggregates whose concentric green bands make it a favorite for decorative objects. The mineral is translucent with a vitreous luster, a light-green streak, and perfect {201} cleavage; its Mohs hardness is 3.5 to 4 and its specific gravity 3.60 to 4.00. Malachite forms in the oxidized zones of copper deposits, frequently alongside azurite. A light-green streak and perfect cleavage help confirm the mineral where weathering has dulled its surface.

La malaquita es un mineral de carbonato de cobre de color verde vivido. Se forma típicamente como mineral secundario en depósitos de cobre oxidados y ha sido utilizada como piedra ornamental y pigmento durante miles de años.

Sistema Cristalino Monoclinic
Clase Mineral 05 Carbonates and Nitrates
Dureza Mohs 3.5-4.0
Gravedad Específica 3.60-4.00
Color Bright green, dark green
Brillo Vitreous
Raya Light green
Exfoliación Perfect {201}
Fractura Subconchoidal to uneven
Transparencia Translucent
Hábito Cristalino Botryoidal, stalactitic, banded massive

Dureza Mohs

Mohs Hardness: 3,5 – 4,0
1 Soft10 Hard
Malachite has a Mohs hardness of 3.5–4 on the 1–10 mineral hardness scale.
Dureza Mohs Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Sistema Cristalino

Monoclinic
Malachite crystallizes in the Monoclinic crystal system.
Propiedad Value
Sistema Cristalino Monoclinic
Axial Relationships a ≠ b ≠ c, α = γ = 90°, β ≠ 90°

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Frequently Asked Questions

What is the hardness of Malachite?
Malachite has a Mohs hardness of 3.5-4.0.
What crystal system does Malachite belong to?
Malachite crystallizes in the Monoclinic crystal system.
What color is Malachite?
Malachite is typically Bright green, dark green.
What type of luster does Malachite have?
Malachite exhibits a Vitreous luster.
What is the chemical formula of Malachite?
The chemical formula of Malachite is Cu2(CO3)(OH)2.