Nosean and Williamsite Physical Properties

Nosean and Williamsite Chemical Formula

While comparing Nosean and Williamsite 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 Nosean and Williamsite chemical formula.

• Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
• Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Nosean and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.