Turquoise and Chrysocolla Physical Properties

Turquoise

Chrysocolla

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.30-2.902.00-2.45

1 7.18

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Fracture

Conchoidal

Sub-Conchoidal, Conchoidal

Cleavage

Good to perfect_usually N/A

none

Mohs Hardness

5-62-4

2 10

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Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Cu₂H₂Si₂O₅(OH)₄

Turquoise and Chrysocolla Chemical Formula

While comparing Turquoise and Chrysocolla 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 Chrysocolla chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Turquoise and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.