Chromite and Turquoise Physical Properties

Chromite

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.30-2.90

1 7.18

1.5 Fracture

Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None, parting may develop along {111}

Good to perfect_usually N/A

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

Fe++Cr2O4

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Chromite and Turquoise Chemical Formula

While comparing Chromite and Turquoise 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 Turquoise chemical formula.

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

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Chromite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.