Turquoise and Chromite Physical Properties

Turquoise

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.904.5-4.8

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

Good to perfect_usually N/A

None, parting may develop along {111}

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Fe++Cr2O4

Turquoise and Chromite Chemical Formula

While comparing Turquoise 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 Turquoise and Chromite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Chromite- Fe++Cr2O4

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Turquoise and Chromite Specific Gravity

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