Carnelian and Cobaltite Physical Properties

Carnelian

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

2.58-2.64

6.3

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter 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

Absent

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

1.7 Mohs Hardness

6.5-7

5.5

1.8 Chemical Composition

SiO₂

CoAsSAnthony et al , Handbook of mineralogy (2001)

Carnelian and Cobaltite Chemical Formula

While comparing Carnelian 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 Carnelian and Cobaltite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Carnelian and Cobaltite Specific Gravity

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