Cordierite and Shattuckite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.57-2.66
  
3.80-4.15
  
Fracture
Subconchoidal, Conchoidal, Brittle
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Fair on {100}, poor on {001} and {010}
  
perfect along [010] and [100]
  
Mohs Hardness
7-7.5
  
3.5-4
  
Chemical Composition
Mg2Al4Si5O18
  
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Cordierite and Shattuckite Chemical Formula
While comparing Cordierite 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 Cordierite and Shattuckite chemical formula.
- Chemical formula of Cordierite- Mg2Al4Si5O18
- Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cordierite and Shattuckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cordierite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.