Austinite and Umbalite Physical Properties

Austinite and Umbalite Chemical Formula

While comparing Austinite 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 Austinite and Umbalite chemical formula.

• Chemical formula of Austinite- CaZn(AsO4)(OH)
• Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Austinite and Umbalite Specific Gravity

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