Adamite and Turquoise Physical Properties

Adamite

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

4.32-4.48

2.30-2.90

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{101}, good; {010}, poor

Good to perfect_usually N/A

1.7 Mohs Hardness

3.5

5-6

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Adamite and Turquoise Chemical Formula

While comparing Adamite 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 Adamite and Turquoise chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Adamite and Turquoise Specific Gravity

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