Vivianite and Sphalerite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.64-2.70
  
3.95-4.10
  
Fracture
(e.g. graphite).
  
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
  
Cleavage
{010} Perfect
  
{110} Perfect, {110} Perfect, {110} Perfect
  
Mohs Hardness
Not Available
  
3.5-4
  
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
  
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Vivianite and Sphalerite Chemical Formula
While comparing Vivianite and Sphalerite 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 Vivianite and Sphalerite chemical formula.
- Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Vivianite and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Vivianite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.