Sunstone and Cobaltite Physical Properties

Sunstone

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

2.62-2.656.3

1 7.18

1.5 Fracture

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

001

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

1.7 Mohs Hardness

65.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

CoAsSAnthony et al , Handbook of mineralogy (2001)

Sunstone and Cobaltite Chemical Formula

While comparing Sunstone 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 Sunstone and Cobaltite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Sunstone and Cobaltite Specific Gravity

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