Turquoise and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.90
4.392
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Good to perfect_usually N/A
{010} moderate, {100} imperfect
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Turquoise and Fayalite Chemical Formula
While comparing Turquoise and Fayalite 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 Fayalite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Turquoise and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 4.392 whereas that of Fayalite is 4.392.