Calcite and Turquoise Physical Properties

Calcite

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.73

2.30-2.90

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55

Good to perfect_usually N/A

1.7 Mohs Hardness

5-6

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Calcite and Turquoise Chemical Formula

While comparing Calcite 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 Calcite and Turquoise chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Calcite and Turquoise Specific Gravity

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