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Jet
Jet

Fayalite
Fayalite



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Jet
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Fayalite

Jet and Fayalite 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
1.19-1.354.392
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Not Available
{010} moderate, {100} imperfect
1.7 Mohs Hardness
2.5-46.5-7
Amber
2 10
1.8 Chemical Composition
Not Available
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Fayalite Chemical Formula

While comparing Jet 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 Jet and Fayalite chemical formula.

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

Jet and Fayalite Specific Gravity

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