Periclase and Heliodor Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.7-3.9
  
Not Available
  
Fracture
Conchoidal, Brittle
  
Not Available
  
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
  
Not Available
  
Mohs Hardness
5.5-6
  
7.5
  
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Periclase and Heliodor Chemical Formula
While comparing Periclase and Heliodor 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 Heliodor chemical formula.
- Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
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Periclase and Heliodor Specific Gravity
Another important criteria for qualitative analysis of gemstones is Periclase and Heliodor Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Heliodor Optical Properties during the identification of gemstone. Specific gravity of Periclase is Not Available whereas that of Heliodor is Not Available.