Hureaulite and Biotite Physical Properties

Hureaulite and Biotite Chemical Formula

While comparing Hureaulite 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 Hureaulite and Biotite chemical formula.

• Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Hureaulite and Biotite Specific Gravity

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