Biotite and Uvarovite Physical Properties

Biotite and Uvarovite Chemical Formula

While comparing Biotite and Uvarovite 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 Biotite and Uvarovite chemical formula.

• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
• Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Biotite and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 3.77 whereas that of Uvarovite is 3.77.