Turquoise and Zinnwaldite Physical Properties

Turquoise

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.902.9-3.1

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

Good to perfect_usually N/A

Perfect basal {001}

1.7 Mohs Hardness

5-63.5-4.0

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Not Available

Turquoise and Zinnwaldite Chemical Formula

While comparing Turquoise and Zinnwaldite 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 Zinnwaldite chemical formula.

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

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Turquoise and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.