Boulder Opal and Nickeline Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
Not Available
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, Uneven
  
Cleavage
Not Available
  
{1010} Imperfect, {0001} Imperfect
  
Mohs Hardness
5-6.5
  
5-5.5
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Not Available
  
Boulder Opal and Nickeline Chemical Formula
While comparing Boulder Opal and Nickeline 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 Boulder Opal and Nickeline chemical formula.
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Boulder Opal and Nickeline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boulder Opal and Nickeline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Nickeline Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is Not Available whereas that of Nickeline is Not Available.