Dravite and Labradorite Physical Properties

Dravite and Labradorite Chemical Formula

While comparing Dravite and Labradorite 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 Labradorite 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 Labradorite- (Na,Ca)_1-2Si_3-2O₈

Dravite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.