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Turquoise
Turquoise

Chrome-Chalcedony
Chrome-Chalcedony



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Chrome-Chalcedony

Turquoise and Chrome-Chalcedony 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
2.30-2.90
2.55-2.70
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
Good to perfect_usually N/A
Not Available
1.7 Mohs Hardness
5-6
6.5-7
1.8 Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Turquoise and Chrome-Chalcedony Chemical Formula

While comparing Turquoise and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Turquoise and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.