Chrysocolla and Pollucite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Readily soluble in HF
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.00-2.45
  
2.86-2.94
  
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
none
  
None observed
  
Mohs Hardness
2-4
  
6.5-7
  
Chemical Composition
Cu2H2Si2O5(OH)4
  
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
Chrysocolla and Pollucite Chemical Formula
While comparing Chrysocolla and Pollucite 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 Chrysocolla and Pollucite chemical formula.
- Chemical formula of Chrysocolla- Cu2H2Si2O5(OH)4
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chrysocolla and Pollucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysocolla and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.