Norbergite and Pollucite Physical Properties

Norbergite and Pollucite Chemical Formula

While comparing Norbergite and Pollucite 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 Norbergite and Pollucite chemical formula.

• Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
• Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Norbergite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.