Paraiba and Biotite Physical Properties

Paraiba and Biotite Chemical Formula

While comparing Paraiba and Biotite 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 Paraiba and Biotite chemical formula.

• Chemical formula of Paraiba- -
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Paraiba and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Paraiba and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Paraiba and Biotite Optical Properties during the identification of gemstone. Specific gravity of Paraiba is 2.7-3.3 whereas that of Biotite is 2.7-3.3.