Moldavite and Cobaltite Physical Properties

Moldavite

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

2.32-2.386.3

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), 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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5.55.5

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Moldavite and Cobaltite Chemical Formula

While comparing Moldavite 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 Moldavite and Cobaltite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Moldavite and Cobaltite Specific Gravity

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