Carnelian and Chromite Physical Properties

Carnelian

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

4.5-4.8

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven

1.6 Cleavage

Absent

None, parting may develop along {111}

1.7 Mohs Hardness

6.5-7

5.5

1.8 Chemical Composition

SiO₂

Fe++Cr2O4

Carnelian and Chromite Chemical Formula

While comparing Carnelian and Chromite 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 Chromite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Chromite- Fe++Cr2O4

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Carnelian and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Chromite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 4.5-4.8 whereas that of Chromite is 4.5-4.8.