Tanzanite and Turquoise Physical Properties

Tanzanite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.35

2.30-2.90

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

Good to perfect_usually N/A

1.7 Mohs Hardness

6.5-7

5-6

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Tanzanite and Turquoise Chemical Formula

While comparing Tanzanite 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 Tanzanite and Turquoise chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Tanzanite and Turquoise Specific Gravity

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