Cacoxenite and Fire Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.2-2.6
  
1.97-2.22
  
Fracture
Uneven
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
3-4
  
6-6.5
  
Chemical Composition
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
Cacoxenite and Fire Opal Chemical Formula
While comparing Cacoxenite and Fire Opal 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 Cacoxenite and Fire Opal chemical formula.
- Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
- Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Cacoxenite and Fire Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cacoxenite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cacoxenite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Cacoxenite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.