Umbalite and Phosgenite Physical Properties

Umbalite and Phosgenite Chemical Formula

While comparing Umbalite and Phosgenite 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 Umbalite and Phosgenite chemical formula.

• Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
• Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Umbalite and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 6.13 whereas that of Phosgenite is 6.13.