Schorl and Erythrite Physical Properties

Schorl and Erythrite Chemical Formula

While comparing Schorl and Erythrite 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 Schorl and Erythrite chemical formula.

• Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
• Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Schorl and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.06 whereas that of Erythrite is 3.06.