Fibrolite and Norbergite Physical Properties

Fibrolite and Norbergite Chemical Formula

While comparing Fibrolite and Norbergite 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 Fibrolite and Norbergite chemical formula.

• Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
• Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Fibrolite and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 3.177 whereas that of Norbergite is 3.177.