Chrysoberyl and Cobaltite Physical Properties

Chrysoberyl

Cobaltite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.816.3

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

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

1.6 Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

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

1.7 Mohs Hardness

8.55.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

CoAsSAnthony et al , Handbook of mineralogy (2001)

Chrysoberyl and Cobaltite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Cobaltite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Chrysoberyl Vs Datolite

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Chrysoberyl and Cobaltite Specific Gravity

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