Rutile and Turquoise Physical Properties

Rutile

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.302.30-2.90

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Good to perfect_usually N/A

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Rutile and Turquoise Chemical Formula

While comparing Rutile 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 Rutile and Turquoise chemical formula.

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

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Rutile and Turquoise Specific Gravity

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