Hardystonite and Mexican fire opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.396-3.443
  
Not Available
  
Fracture
Brittle, Metallic
  
Not Available
  
Cleavage
[001] good, [100] and [110] fair
  
Not Available
  
Mohs Hardness
3-4
  
Not Available
  
Chemical Composition
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
  
Not Available
  
Hardystonite and Mexican fire opal Chemical Formula
While comparing Hardystonite and Mexican 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 Hardystonite and Mexican fire opal chemical formula.
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
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Hardystonite and Mexican fire opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hardystonite and Mexican fire opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Mexican fire opal Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is Not Available whereas that of Mexican fire opal is Not Available.