Goldstone and Boulder Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.50-2.80
  
1.98-2.25
  
Fracture
torn surfaces, (e.g. fractured metals).
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
6
  
5-6.5
  
Chemical Composition
Au
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Goldstone and Boulder Opal Chemical Formula
While comparing Goldstone and Boulder 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 Goldstone and Boulder Opal chemical formula.
- Chemical formula of Goldstone- Au
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Goldstone and Boulder Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Goldstone and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goldstone and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Goldstone is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.