Pyrrhotite and Chromite Physical Properties

Pyrrhotite

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.58-4.654.5-4.8

1 7.18

1.5 Fracture

Uneven

1.6 Cleavage

Absent

None, parting may develop along {111}

1.7 Mohs Hardness

3.5-4.55.5

2 10

1.8 Chemical Composition

Not Available

Fe++Cr2O4

Pyrrhotite and Chromite Chemical Formula

While comparing Pyrrhotite 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 Pyrrhotite and Chromite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Pyrrhotite and Chromite Specific Gravity

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