Dravite and Jet lignite Physical Properties

Dravite and Jet lignite Chemical Formula

While comparing Dravite and Jet lignite 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 Jet lignite 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 Jet lignite- C

Dravite and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.