Gedrite and Andradite Garnet Physical Properties

Gedrite and Andradite Garnet Chemical Formula

While comparing Gedrite and Andradite Garnet 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 Gedrite and Andradite Garnet chemical formula.

• Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

Gedrite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.