Chromite and Mottramite Physical Properties

Chromite

Mottramite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.85.9

1 7.18

1.5 Fracture

Uneven

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

None, parting may develop along {111}

None observed

1.7 Mohs Hardness

5.53

2 10

1.8 Chemical Composition

Fe++Cr2O4

Not Available

Chromite and Mottramite Chemical Formula

While comparing Chromite and Mottramite 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 Mottramite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Chromite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 5.9 whereas that of Mottramite is 5.9.