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Fayalite
Fayalite

Selenite
Selenite



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Fayalite
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Fayalite and Selenite Physical Properties

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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
4.392
Not Available
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Not Available
1.6 Cleavage
{010} moderate, {100} imperfect
Not Available
1.7 Mohs Hardness
6.5-7
2
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Fayalite and Selenite Chemical Formula

While comparing Fayalite and Selenite 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 Selenite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Fayalite and Selenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Selenite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is Not Available whereas that of Selenite is Not Available.