Turquoise and Omphacite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
3.16-3.43
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Good to perfect_usually N/A
{110} Good, {110} Good
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Turquoise and Omphacite Chemical Formula
While comparing Turquoise and Omphacite 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 Omphacite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Turquoise and Omphacite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.