Onyx and Shattuckite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
3.80-4.15
  
Fracture
Not Available
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Indiscernible
  
perfect along [010] and [100]
  
Mohs Hardness
6.5-7
  
3.5-4
  
Chemical Composition
SiO2
  
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Onyx and Shattuckite Chemical Formula
While comparing Onyx and Shattuckite 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 Onyx and Shattuckite chemical formula.
- Chemical formula of Onyx- SiO2
- Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Onyx and Shattuckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Onyx and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.