Bytownite and Turquoise Physical Properties

Bytownite

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

2.72-2.752.30-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on [001], good on [010], imperfect on [110]

Good to perfect_usually N/A

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Bytownite and Turquoise Chemical Formula

While comparing Bytownite 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 Bytownite and Turquoise chemical formula.

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

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Bytownite and Turquoise Specific Gravity

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