Adamite and Periclase Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.32-4.48
  
3.7-3.9
  
Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
  
Conchoidal, Brittle
  
Cleavage
{101}, good; {010}, poor
  
{001} perfect; {111} imperfect, may exhibit parting on , {011}
  
Mohs Hardness
3.5
  
5.5-6
  
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
  
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Adamite and Periclase Chemical Formula
While comparing Adamite and Periclase 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 Adamite and Periclase chemical formula.
- Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
- Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Adamite and Periclase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Adamite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.