Black Opal and Saltwater pearl Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.97-2.22
  
Not Available
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
6-6.5
  
Not Available
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Not Available
  
Black Opal and Saltwater pearl Chemical Formula
While comparing Black Opal and Saltwater pearl 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 Black Opal and Saltwater pearl chemical formula.
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Black Opal and Saltwater pearl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Black Opal and Saltwater pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Saltwater pearl Optical Properties during the identification of gemstone. Specific gravity of Black Opal is Not Available whereas that of Saltwater pearl is Not Available.