Alabaster and Seraphinite Physical Properties

Alabaster and Seraphinite Chemical Formula

While comparing Alabaster and Seraphinite 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 Alabaster and Seraphinite chemical formula.

• Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Alabaster and Seraphinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Seraphinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Seraphinite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.60-3.02 whereas that of Seraphinite is 2.60-3.02.