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Turquoise
Turquoise

Emerald
Emerald



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Turquoise
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Emerald

Turquoise and Emerald Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
2.30-2.902.67-2.78
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Good to perfect_usually N/A
Imperfect on the [0001]
1.7 Mohs Hardness
5-67.5-8
Amber
2 10
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Be3Al2SiO6

Turquoise and Emerald Chemical Formula

While comparing Turquoise and Emerald 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 Emerald chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Emerald- Be3Al2SiO6

Turquoise and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Emerald Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.67-2.78 whereas that of Emerald is 2.67-2.78.