Vesuvianite Idocrase and Sillimanite Physical Properties

Vesuvianite Idocrase and Sillimanite Chemical Formula

While comparing Vesuvianite Idocrase and Sillimanite 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 Vesuvianite Idocrase and Sillimanite chemical formula.

• Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
• Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Vesuvianite Idocrase and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite Idocrase and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite Idocrase and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite Idocrase is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.