Ajoite and Chromite Physical Properties

Ajoite

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.964.5-4.8

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Perfect on {010}

None, parting may develop along {111}

1.7 Mohs Hardness

55.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Fe++Cr2O4

Ajoite and Chromite Chemical Formula

While comparing Ajoite 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 Ajoite and Chromite chemical formula.

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

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Ajoite and Chromite Specific Gravity

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