Moldavite and Turquoise Physical Properties

Moldavite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.32-2.38

2.30-2.90

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Good to perfect_usually N/A

1.7 Mohs Hardness

5.5

5-6

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Moldavite and Turquoise Chemical Formula

While comparing Moldavite 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 Moldavite and Turquoise chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Moldavite and Turquoise Specific Gravity

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