Turquoise and Rutile Physical Properties

Turquoise

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.904.20-4.30

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good to perfect_usually N/A

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Turquoise and Rutile Chemical Formula

While comparing Turquoise and Rutile 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 Rutile chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Turquoise and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Rutile Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 4.20-4.30 whereas that of Rutile is 4.20-4.30.