Dravite and Plumbogummite Physical Properties

Dravite and Plumbogummite Chemical Formula

While comparing Dravite and Plumbogummite 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 Dravite and Plumbogummite chemical formula.

• Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
• Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6

Dravite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 4.014 whereas that of Plumbogummite is 4.014.