Turquoise and Vlasovite Physical Properties

Turquoise

Vlasovite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.902.97

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle

1.6 Cleavage

Good to perfect_usually N/A

Distinct on {010}

1.7 Mohs Hardness

5-66

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Not Available

Turquoise and Vlasovite Chemical Formula

While comparing Turquoise and Vlasovite 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 Vlasovite chemical formula.

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

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Turquoise and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.97 whereas that of Vlasovite is 2.97.