Moldavite and Umbalite Physical Properties

Moldavite and Umbalite Chemical Formula

While comparing Moldavite 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 Moldavite and Umbalite chemical formula.

• Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
• Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Moldavite and Umbalite Specific Gravity

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