Shungite and Falcons Eye Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.58-2.64
  
Fracture
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Gemstones of the world (2001)
  
Cleavage
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Mohs Hardness
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7
  
Chemical Composition
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SiO 2Walter Schumann , Gemstones of the world (2001)
  
Shungite and Falcons Eye Chemical Formula
While comparing Shungite and Falcons Eye 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 Shungite and Falcons Eye chemical formula.
>- Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Shungite and Falcons Eye Specific Gravity
Another important criteria for qualitative analysis of gemstones is Shungite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shungite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Shungite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.