Biotite and Shortite Physical Properties

Biotite and Shortite Chemical Formula

While comparing Biotite and Shortite 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 Shortite chemical formula.

• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2
• Chemical formula of Shortite- Na 2Ca 2(CO 3) 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Biotite and Shortite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Shortite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Shortite Optical Properties during the identification of gemstone. Specific gravity of Biotite is 2.61 whereas that of Shortite is 2.61.