Apatite and Falcons Eye Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.16-3.23
  
2.58-2.64
  
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
  
Gemstones of the world (2001)
  
Cleavage
[0001] indistinct, [1010] indistinct
  
Not Available
  
Mohs Hardness
5
  
7
  
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  
SiO 2Walter Schumann , Gemstones of the world (2001)
  
Apatite and Falcons Eye Chemical Formula
While comparing Apatite 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 Apatite and Falcons Eye chemical formula.
- Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Apatite and Falcons Eye Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apatite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.