Tugtupite and Biotite Physical Properties

Tugtupite and Biotite Chemical Formula

While comparing Tugtupite 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 Tugtupite and Biotite chemical formula.

• Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Tugtupite and Biotite Specific Gravity

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