Girasol and Alexandrite Physical Properties

Girasol and Alexandrite Chemical Formula

While comparing Girasol and Alexandrite 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 Girasol and Alexandrite chemical formula.

• Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Alexandrite- BeAl ₂ O ₄

Girasol and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Girasol and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Girasol and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Girasol is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.