Opal and Azurmalachite Physical Properties
Tenacity
BrittleWalter Schumann
  
Not Available
  
Solubility
hot salt water
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
3.70-3.95
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
  
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
None
  
1,1 basal.
  
Mohs Hardness
5-6.5
  
3.5-4
  
Chemical Composition
SiO2 · nH2O
  
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
  
Opal and Azurmalachite Chemical Formula
While comparing Opal and Azurmalachite 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 Opal and Azurmalachite chemical formula.
- Chemical formula of Opal- SiO2 · nH2O
- Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Opal and Azurmalachite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Opal and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.