Oligoclase and Turquoise Physical Properties

Oligoclase

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.672.30-2.90

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

Good to perfect_usually N/A

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Oligoclase and Turquoise Chemical Formula

While comparing Oligoclase 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 Oligoclase and Turquoise chemical formula.

Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Oligoclase and Turquoise Specific Gravity

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