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Turquoise
Turquoise

Legrandite
Legrandite



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Turquoise
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Legrandite

Turquoise and Legrandite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.30-2.90
Conchoidal
Good to perfect_usually N/A
5-6
CuAl6(PO4)4(OH)8 • 4H2O
 
Brittle
-
-
3.98-4.04
Conchoidal
Imperfect, poor one {100}
4.5-5
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Legrandite Chemical Formula

While comparing Turquoise and Legrandite 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 Legrandite chemical formula.

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Turquoise and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise Vs Legrandite during the identification of gemstone. Specific gravity of Turquoise is whereas that of Legrandite is .