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Sapphirine
Sapphirine

Fayalite
Fayalite



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Sapphirine
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Fayalite

Sapphirine and Fayalite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.40-3.584.392
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
{010} Perfect
{010} moderate, {100} imperfect
1.7 Mohs Hardness
7.56.5-7
Amber
2 10
1.8 Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sapphirine and Fayalite Chemical Formula

While comparing Sapphirine 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 Sapphirine and Fayalite chemical formula.

  • Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sapphirine and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 4.392 whereas that of Fayalite is 4.392.