Weloganite and Dravite Physical Properties

Weloganite and Dravite Chemical Formula

While comparing Weloganite and Dravite 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 Weloganite and Dravite chemical formula.

• Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O
• Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Weloganite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Weloganite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Weloganite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Weloganite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.