Bowenite and Black Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.58-2.80
  
1.97-2.22
  
Fracture
Uneven, Irregular, Management Team (2012)
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5.5
  
6-6.5
  
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Bowenite and Black Opal Chemical Formula
While comparing Bowenite 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 Bowenite and Black Opal chemical formula.
- Chemical formula of Bowenite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Bowenite and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bowenite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bowenite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Bowenite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.