Hibonite and Chromite Physical Properties

Hibonite

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

3.844.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{0001} good, {10 1 0} parting

None, parting may develop along {111}

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

Fe++Cr2O4

Hibonite and Chromite Chemical Formula

While comparing Hibonite 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 Hibonite and Chromite chemical formula.

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

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Hibonite and Chromite Specific Gravity

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