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Turquoise
Turquoise

Hercynite
Hercynite



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Turquoise
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Hercynite

Turquoise and Hercynite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.904.39
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalGemdat.org, Uneven
1.6 Cleavage
Good to perfect_usually N/A
{111} Indistinct, {111} Indistinct, {111} Indistinct
1.7 Mohs Hardness
5-67.5-8
Amber
2 10
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Turquoise and Hercynite Chemical Formula

While comparing Turquoise and Hercynite 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 Hercynite chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Turquoise and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 4.39 whereas that of Hercynite is 4.39.