Vivianite and Hexagonite Physical Properties

Vivianite and Hexagonite Chemical Formula

While comparing Vivianite and Hexagonite 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 Hexagonite chemical formula.

• Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Vivianite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.