Chrome Diopside and Black Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.22-3.40
  
1.97-2.22
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
1,2 prismatic.
  
Not Available
  
Mohs Hardness
5-6
  
6-6.5
  
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Chrome Diopside and Black Opal Chemical Formula
While comparing Chrome Diopside and Black 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 Chrome Diopside and Black Opal chemical formula.
- Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chrome Diopside and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.