Periclase and Dumortierite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.7-3.9
  
3.26-3.41
  
Fracture
Conchoidal, Brittle
  
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
  
Distinct on {100}, poor on {110}; parting on {001}
  
Mohs Hardness
5.5-6
  
7-8.5
  
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
  
AlAl6O3BSi3O18
  
Periclase and Dumortierite Chemical Formula
While comparing Periclase and Dumortierite 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 Periclase and Dumortierite chemical formula.
- Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Periclase and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Periclase and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.