Agate Opal and Cobaltite Physical Properties

Agate Opal

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

1.98-2.506.3

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, 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

5.5-6.55.5

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Agate Opal and Cobaltite Chemical Formula

While comparing Agate Opal 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 Agate Opal and Cobaltite chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Agate Opal Vs Anorthite

Agate Opal Vs Anthophyllite

Agate Opal Vs Anorthoclase

Agate Opal and Cobaltite Specific Gravity

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