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Fayalite
Fayalite

Turquoise
Turquoise



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Fayalite
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Turquoise

Fayalite and Turquoise Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.3922.30-2.90
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{010} moderate, {100} imperfect
Good to perfect_usually N/A
1.7 Mohs Hardness
6.5-75-6
Amber
2 10
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
CuAl6(PO4)4(OH)8 • 4H2O

Fayalite and Turquoise Chemical Formula

While comparing Fayalite and Turquoise 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 Fayalite and Turquoise chemical formula.

  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O

Fayalite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.