Piemontite and Turquoise Physical Properties

Piemontite

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

Not Available2.30-2.90

1 7.18

1.5 Fracture

Uneven, Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[001] good, [100] distinct

Good to perfect_usually N/A

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Not Available

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Piemontite and Turquoise Chemical Formula

While comparing Piemontite 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 Piemontite and Turquoise chemical formula.

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

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Piemontite and Turquoise Specific Gravity

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