Turquoise and Kurnakovite Physical Properties

Turquoise

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.901.847-1.852

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Brittle, Conchoidal

1.6 Cleavage

Good to perfect_usually N/A

Poor to indistinct on {010}

1.7 Mohs Hardness

5-62-3

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Not Available

Turquoise and Kurnakovite Chemical Formula

While comparing Turquoise and Kurnakovite 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 Kurnakovite chemical formula.

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

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Turquoise and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.