Emerald and Cobaltite Physical Properties

Emerald

Cobaltite

Cobaltite and Emerald Physical Properties

Physical Properties

Tenacity

Not Available

Solubility

Not Available

Durability

Hard

Not Available

Specific Gravity

2.67-2.78

6.3

Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

Cleavage

Imperfect on the [0001]

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

Mohs Hardness

7.5-8

5.5

Chemical Composition

Be₃Al₂SiO₆

CoAsSAnthony et al , Handbook of mineralogy (2001)

Optical Properties >>

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Emerald and Cobaltite Chemical Formula

While comparing Emerald and Cobaltite 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 Emerald and Cobaltite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Emerald and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 6.3 whereas that of Cobaltite is 6.3.