Chrysoprase and Cobaltite Physical Properties

Chrysoprase

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

2.58-2.646.3

1 7.18

1.5 Fracture

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

None

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

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

CoAsSAnthony et al , Handbook of mineralogy (2001)

Chrysoprase and Cobaltite Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Cobaltite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Chrysoprase and Cobaltite Specific Gravity

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