Chromite and Ajoite Physical Properties

Chromite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.96

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

None, parting may develop along {111}

Perfect on {010}

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

Fe++Cr2O4

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Chromite and Ajoite Chemical Formula

While comparing Chromite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Chromite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.96 whereas that of Ajoite is 2.96.