Hemimorphite and Turquoise Physical Properties

Hemimorphite

Turquoise

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.502.30-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

Good to perfect_usually N/A

1.7 Mohs Hardness

55-6

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Hemimorphite and Turquoise Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Turquoise chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Hemimorphite Vs Lazurite

Hemimorphite and Turquoise Specific Gravity

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