Vivianite and Epidote Physical Properties

Vivianite and Epidote Chemical Formula

While comparing Vivianite and Epidote 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 Epidote chemical formula.

• Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Epidote Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Epidote Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.25-3.50 whereas that of Epidote is 3.25-3.50.