Vishnevite and Turquoise Physical Properties

Vishnevite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.30-2.90

1 7.18

1.5 Fracture

Brittle, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect

Good to perfect_usually N/A

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

Not Available

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Vishnevite and Turquoise Chemical Formula

While comparing Vishnevite 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 Vishnevite and Turquoise chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Vishnevite and Turquoise Specific Gravity

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