Turquoise and Pyrite Physical Properties

Turquoise

Pyrite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

insoluble in water

Durability

Specific Gravity

2.30-2.905.00-5.20

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

Good to perfect_usually N/A

Indistinct on {001}; partings on {011} and {111}

Mohs Hardness

5-66-6.5

2 10

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Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Pyrite Chemical Formula

While comparing Turquoise and Pyrite 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 Pyrite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Turquoise and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.