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Turquoise
Turquoise

Aragonite
Aragonite



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Turquoise
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Aragonite

Turquoise and Aragonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Soluble
Dilute acid

Durability

-
-

Specific Gravity

2.30-2.902.93-2.96
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

Good to perfect_usually N/A
Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

5-63.5-4
2 10
👆🏻

Chemical Composition

CuAl6(PO4)4(OH)8 • 4H2O
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Aragonite Chemical Formula

While comparing Turquoise and Aragonite 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 Aragonite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Turquoise and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.