Chromite and Phlogopite Physical Properties

Chromite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.78-2.85

1 7.18

1.5 Fracture

Uneven

None, Uneven

1.6 Cleavage

None, parting may develop along {111}

Perfect basal (001)

1.7 Mohs Hardness

5.52-2.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

Not Available

Chromite and Phlogopite Chemical Formula

While comparing Chromite and Phlogopite 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 Chromite and Phlogopite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Chromite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.