Turquoise and Cacoxenite Physical Properties

Turquoise

Cacoxenite

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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

2.30-2.902.2-2.6

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

Good to perfect_usually N/A

None

1.7 Mohs Hardness

5-63-4

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Turquoise and Cacoxenite Chemical Formula

While comparing Turquoise and Cacoxenite 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 Cacoxenite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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Turquoise and Cacoxenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Cacoxenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Cacoxenite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.2-2.6 whereas that of Cacoxenite is 2.2-2.6.