Shigaite and Falcons Eye Physical Properties
Tenacity
Moderately flexible
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.32
  
2.58-2.64
  
Fracture
Flexible Flexible fragments.
  
Gemstones of the world (2001)
  
Cleavage
Perfect on {0001}
  
Not Available
  
Mohs Hardness
2
  
7
  
Chemical Composition
Not Available
  
SiO 2Walter Schumann , Gemstones of the world (2001)
  
Shigaite and Falcons Eye Chemical Formula
While comparing Shigaite 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 Shigaite and Falcons Eye chemical formula.
>- Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Shigaite and Falcons Eye Specific Gravity
Another important criteria for qualitative analysis of gemstones is Shigaite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.