Sardonyx and Chromite Physical Properties

Sardonyx

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

2.55-2.704.5-4.8

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Not Available

None, parting may develop along {111}

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Fe++Cr2O4

Sardonyx and Chromite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Chromite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Chromite- Fe++Cr2O4

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Sardonyx and Chromite Specific Gravity

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