Pyrope Almandine and Ettringite Physical Properties

Pyrope Almandine and Ettringite Chemical Formula

While comparing Pyrope Almandine and Ettringite 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 Pyrope Almandine and Ettringite chemical formula.

• Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
• Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 1.77 whereas that of Ettringite is 1.77.