Druzy and Biotite Physical Properties

Druzy and Biotite Chemical Formula

While comparing Druzy 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 Druzy and Biotite chemical formula.

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

Druzy and Biotite Specific Gravity

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