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Fayalite
Fayalite

Jet
Jet



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Fayalite
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Jet

Fayalite and Jet Physical Properties

Jet
Jet
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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
4.3921.19-1.35
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
{010} moderate, {100} imperfect
Not Available
1.7 Mohs Hardness
6.5-72.5-4
Amber
2 10
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Fayalite and Jet Chemical Formula

While comparing Fayalite and Jet 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 Jet chemical formula.

  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
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Fayalite and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Jet Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 1.19-1.35 whereas that of Jet is 1.19-1.35.