Periclase and Agate Opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.7-3.9
  
1.98-2.50
  
Fracture
Conchoidal, Brittle
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
  
Not Available
  
Mohs Hardness
5.5-6
  
5.5-6.5
  
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Periclase and Agate Opal Chemical Formula
While comparing Periclase and Agate 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 Periclase and Agate Opal chemical formula.
- Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Periclase and Agate Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Periclase and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Periclase is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.