Augelite and Umbalite Physical Properties

Augelite and Umbalite Chemical Formula

While comparing Augelite and Umbalite 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 Augelite and Umbalite chemical formula.

• Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Augelite and Umbalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.