Plumbogummite and Umbalite Physical Properties

Plumbogummite and Umbalite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Umbalite chemical formula.

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

Plumbogummite and Umbalite Specific Gravity

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