Turquoise and Andean Opal Physical Properties

Turquoise

Andean Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.90Not Available

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Good to perfect_usually N/A

Not Available

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Not Available

Turquoise and Andean Opal Chemical Formula

While comparing Turquoise and Andean Opal 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 Andean Opal chemical formula.

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

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Turquoise and Andean Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Andean Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Andean Opal Optical Properties during the identification of gemstone. Specific gravity of Turquoise is Not Available whereas that of Andean Opal is Not Available.