Fibrolite and Polyhalite Physical Properties

Fibrolite and Polyhalite Chemical Formula

While comparing Fibrolite and Polyhalite 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 Polyhalite chemical formula.

• Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Fibrolite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 2.78 whereas that of Polyhalite is 2.78.