Clinozoisite and Vivianite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.21-3.38
  
2.64-2.70
  
Fracture
Irregular/uneven, Uneven
  
(e.g. graphite).
  
Cleavage
Perfect on {001}
  
{010} Perfect
  
Mohs Hardness
6-7
  
Not Available
  
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  
Clinozoisite and Vivianite Chemical Formula
While comparing Clinozoisite and Vivianite 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 Clinozoisite and Vivianite chemical formula.
- Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Clinozoisite and Vivianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Clinozoisite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.