Turquoise and Chlorapatite Physical Properties

Turquoise

Chlorapatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.903.17-3.18

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Good to perfect_usually N/A

Not Available

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Turquoise and Chlorapatite Chemical Formula

While comparing Turquoise and Chlorapatite 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 Chlorapatite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

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Turquoise and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.