Chromite and Hibonite Physical Properties

Chromite

Hibonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.83.84

1 7.18

1.5 Fracture

Uneven

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None, parting may develop along {111}

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5.57.5-8

2 10

1.8 Chemical Composition

Fe++Cr2O4

(Ca,Ce)(Al,Ti,Mg)12O19

Chromite and Hibonite Chemical Formula

While comparing Chromite and Hibonite 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 Hibonite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Chromite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.84 whereas that of Hibonite is 3.84.