Kyanite Cyprine and Purpurite Physical Properties

Kyanite Cyprine and Purpurite Chemical Formula

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

• Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
• Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Kyanite Cyprine and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.