Amazonite and Cobaltite Physical Properties

Amazonite

Cobaltite

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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

2.55-2.576.3

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

KAlSi₃O₈

CoAsSAnthony et al , Handbook of mineralogy (2001)

Amazonite and Cobaltite Chemical Formula

While comparing Amazonite 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 Amazonite and Cobaltite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Amazonite and Cobaltite Specific Gravity

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