Proustite and Kyanite Cyprine Physical Properties

Proustite and Kyanite Cyprine Chemical Formula

While comparing Proustite and Kyanite Cyprine 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 Proustite and Kyanite Cyprine chemical formula.

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

Proustite and Kyanite Cyprine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Kyanite Cyprine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Kyanite Cyprine Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.55-3.70 whereas that of Kyanite Cyprine is 3.55-3.70.