Larvikite and Alexandrite Physical Properties

Larvikite and Alexandrite Chemical Formula

While comparing Larvikite 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 Larvikite and Alexandrite chemical formula.

• Chemical formula of Larvikite- (Na,Ca)2(Fe2+,Mg)3Si3O10
• Chemical formula of Alexandrite- BeAl ₂ O ₄

Larvikite and Alexandrite Specific Gravity

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