Schorl and Phenakite Physical Properties

Schorl and Phenakite Chemical Formula

While comparing Schorl and Phenakite 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 Phenakite 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 Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Schorl and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.