Mexican fire opal and Sphalerite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.95-4.10
  
Fracture
Not Available
  
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
  
Cleavage
Not Available
  
{110} Perfect, {110} Perfect, {110} Perfect
  
Mohs Hardness
Not Available
  
3.5-4
  
Chemical Composition
Not Available
  
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Mexican fire opal and Sphalerite Chemical Formula
While comparing Mexican fire opal and Sphalerite 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 Mexican fire opal and Sphalerite chemical formula.
>- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mexican fire opal and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.