Nacre and Turquoise Physical Properties

Nacre

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.30-2.90

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Good to perfect_usually N/A

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

Not Available

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Nacre and Turquoise Chemical Formula

While comparing Nacre 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 Nacre and Turquoise chemical formula.

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

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Nacre Vs Cerussite

Nacre and Turquoise Specific Gravity

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