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Fayalite
Fayalite

Rosasite
Rosasite



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Fayalite
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Fayalite and Rosasite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.392
4-4.2
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Splintery
1.6 Cleavage
{010} moderate, {100} imperfect
Perfect on {100} and {010}
1.7 Mohs Hardness
6.5-7
4
1.8 Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Fayalite and Rosasite Chemical Formula

While comparing Fayalite and Rosasite 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 Rosasite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Fayalite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 4-4.2 whereas that of Rosasite is 4-4.2.