Fibrolite and Proustite Physical Properties

Fibrolite and Proustite Chemical Formula

While comparing Fibrolite and Proustite 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 Proustite chemical formula.

• Chemical formula of Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)
• Chemical formula of Proustite- Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fibrolite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fibrolite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fibrolite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Fibrolite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.