Ettringite and Kyanite Cyprine Physical Properties

Ettringite and Kyanite Cyprine Chemical Formula

While comparing Ettringite and Kyanite Cyprine 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 Ettringite and Kyanite Cyprine chemical formula.

• Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Ettringite and Kyanite Cyprine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Kyanite Cyprine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Kyanite Cyprine Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.55-3.70 whereas that of Kyanite Cyprine is 3.55-3.70.