Crystal Quartz and Biotite Physical Properties

Crystal Quartz and Biotite Chemical Formula

While comparing Crystal 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 Crystal Quartz and Biotite chemical formula.

• Chemical formula of Crystal Quartz- SiO2
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Crystal Quartz and Biotite Specific Gravity

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