Turquoise and Cassiterite Physical Properties

Turquoise

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

insoluble

Durability

Specific Gravity

2.30-2.906.86-7.03

1 7.18

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Fracture

Conchoidal

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

Good to perfect_usually N/A

{100} imperfect, {110} indistinct; partings on {111} or {011}

Mohs Hardness

5-66-7

2 10

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Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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

Turquoise and Cassiterite Chemical Formula

While comparing Turquoise and Cassiterite 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 Cassiterite chemical formula.

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

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Turquoise and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.