Poudretteite and Turquoise Physical Properties

Poudretteite

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

2.51-2.532.30-2.90

1 7.18

1.5 Fracture

Conchoidal, Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

Good to perfect_usually N/A

1.7 Mohs Hardness

55-6

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Poudretteite and Turquoise Chemical Formula

While comparing Poudretteite 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 Poudretteite and Turquoise chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite Vs Rubellite

Poudretteite and Turquoise Specific Gravity

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