Moldavite and Atacamite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.32-2.38
  
3.745-3.776
  
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
Not Available
  
Perfect on {010}, fair on {101}
  
Mohs Hardness
5.5
  
3-3.5
  
Chemical Composition
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
  
Cu2Cl(OH)3
  
Moldavite and Atacamite Chemical Formula
While comparing Moldavite and Atacamite 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 Moldavite and Atacamite chemical formula.
- Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Moldavite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Moldavite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.