Zincite and Turquoise Physical Properties

Zincite

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.50-5.902.30-2.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Good to perfect_usually N/A

1.7 Mohs Hardness

45-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Zincite and Turquoise Chemical Formula

While comparing Zincite 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 Zincite and Turquoise chemical formula.

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

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Zincite and Turquoise Specific Gravity

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