Proustite and Schorl Physical Properties

Proustite and Schorl Chemical Formula

While comparing Proustite and Schorl 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 Schorl chemical formula.

• Chemical formula of Proustite- Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Proustite and Schorl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Schorl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Schorl Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.18-3.22 whereas that of Schorl is 3.18-3.22.