Quartz and Turquoise Physical Properties

Quartz

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

2.65

2.30-2.90

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{0110} Indistinct

Good to perfect_usually N/A

1.7 Mohs Hardness

5-6

1.8 Chemical Composition

SiO₂

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Quartz and Turquoise Chemical Formula

While comparing Quartz 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 Quartz and Turquoise chemical formula.

Chemical formula of Quartz- SiO₂
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Quartz and Turquoise Specific Gravity

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