Shigaite and Augelite Physical Properties

Shigaite and Augelite Chemical Formula

While comparing Shigaite and Augelite 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 Shigaite and Augelite chemical formula.

• Chemical formula of Shigaite- Pb6Cu3BiS4
• Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Shigaite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.