Cobaltite and Malachite Physical Properties

Cobaltite

Malachite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.33.25-4.10

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

{100} Good, {010} Good, {001} Good

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

Cu₂CO₃(OH)₂

Cobaltite and Malachite Chemical Formula

While comparing Cobaltite and Malachite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Cobaltite and Malachite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

Compare Gems Found in America

Cobaltite Vs Diopside

Cobaltite Vs Datolite

Cobaltite Vs Diamond

Cobaltite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.