Turquoise and Langbeinite Physical Properties

Turquoise

Langbeinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Slowly dissolves in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.90Not Available

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle

1.6 Cleavage

Good to perfect_usually N/A

None

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Not Available

Turquoise and Langbeinite Chemical Formula

While comparing Turquoise and Langbeinite 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 Turquoise and Langbeinite chemical formula.

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

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Turquoise and Langbeinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Langbeinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Langbeinite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is Not Available whereas that of Langbeinite is Not Available.