Turquoise and Zincite Physical Properties

Turquoise

Zincite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.905.50-5.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good to perfect_usually N/A

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Turquoise and Zincite Chemical Formula

While comparing Turquoise and Zincite 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 Zincite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Turquoise and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Zincite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 5.50-5.90 whereas that of Zincite is 5.50-5.90.