Chromite and Aegirine Physical Properties

Chromite

Aegirine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.83.50-3.60

1 7.18

1.5 Fracture

Uneven

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None, parting may develop along {111}

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

5.56

2 10

1.8 Chemical Composition

Fe++Cr2O4

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Chromite and Aegirine Chemical Formula

While comparing Chromite and Aegirine 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 Aegirine chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

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Chromite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.