Rosasite and Turquoise Physical Properties

Rosasite

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.30-2.90

1 7.18

2.5 Fracture

Splintery

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

Perfect on {100} and {010}

Good to perfect_usually N/A

2.7 Mohs Hardness

45-6

2 10

2.11 Chemical Composition

Not Available

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Rosasite and Turquoise Chemical Formula

While comparing Rosasite 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 Rosasite and Turquoise chemical formula.

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

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Rosasite and Turquoise Specific Gravity

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