Natrolite and Spinel Physical Properties

Natrolite and Spinel Chemical Formula

While comparing Natrolite and Spinel 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 Natrolite and Spinel chemical formula.

• Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Spinel- MgAl₂O₄

Natrolite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.