Dumortierite quartz and Biotite Physical Properties

Dumortierite quartz and Biotite Chemical Formula

While comparing Dumortierite quartz 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 Dumortierite quartz and Biotite chemical formula.

• Chemical formula of Dumortierite quartz- Al7BO3(SiO4)3O3
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Dumortierite quartz and Biotite Specific Gravity

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