Demantoid and Nepheline Physical Properties

Demantoid and Nepheline Chemical Formula

While comparing Demantoid and Nepheline 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 Demantoid and Nepheline chemical formula.

• Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
• Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Demantoid and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.