Biotite and Manganaxinite Physical Properties

Biotite and Manganaxinite Chemical Formula

While comparing Biotite and Manganaxinite 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 Manganaxinite chemical formula.

• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
• Chemical formula of Manganaxinite- Ca2Mn2+Al2BSi5O17(OH)

Biotite and Manganaxinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Manganaxinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Manganaxinite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 3.314 whereas that of Manganaxinite is 3.314.