Hardystonite and Turquoise Physical Properties

Hardystonite

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

3.396-3.4432.30-2.90

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[001] good, [100] and [110] fair

Good to perfect_usually N/A

1.7 Mohs Hardness

3-45-6

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Hardystonite and Turquoise Chemical Formula

While comparing Hardystonite 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 Hardystonite and Turquoise chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Hardystonite and Turquoise Specific Gravity

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