Augite and Fire Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.19-3.56
  
1.97-2.22
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
{110} Perfect, {010} Indistinct
  
Not Available
  
Mohs Hardness
5.5-6
  
6-6.5
  
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
Augite and Fire Opal Chemical Formula
While comparing Augite 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 Augite and Fire Opal chemical formula.
- Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Augite and Fire Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Augite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.