Austinite and Chromite Physical Properties

Austinite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.124.5-4.8

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven

1.6 Cleavage

Good in two directions parallel to the prism faces {110}

None, parting may develop along {111}

1.7 Mohs Hardness

4-4.55.5

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Fe++Cr2O4

Austinite and Chromite Chemical Formula

While comparing Austinite 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 Austinite and Chromite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)
Chemical formula of Chromite- Fe++Cr2O4

Compare Green Gemstones

Austinite Vs Apophyllite KF

Austinite Vs Clintonite

Austinite Vs Cordierite

Austinite and Chromite Specific Gravity

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