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.

Malachite is a vivid green copper carbonate mineral that has been used as a pigment and gemstone for thousands of years. Its distinctive banded pattern makes it popular in decorative objects. It commonly forms with azurite in copper deposits.

النظام البلوري Monoclinic
صنف المعدن 05 Carbonates and Nitrates
صلادة موس 3.5-4.0
الكثافة النوعية 3.60-4.00
اللون Bright green, dark green
اللمعان Vitreous
لون الخط Light green
الانفصام Perfect {201}
الكسر Subconchoidal to uneven
الشفافية Translucent
الشكل البلوري Botryoidal, stalactitic, banded massive

صلادة موس

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.
صلادة موس Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

النظام البلوري

Monoclinic
Malachite crystallizes in the Monoclinic crystal system.
الخاصية Value
النظام البلوري 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.