Vivianite and Girasol Physical Properties

Vivianite and Girasol Chemical Formula

While comparing Vivianite and Girasol 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 Girasol chemical formula.

• Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Vivianite and Girasol Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Girasol Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Girasol Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 1.98-2.50 whereas that of Girasol is 1.98-2.50.