Humite and Andradite Garnet Physical Properties

Humite and Andradite Garnet Chemical Formula

While comparing Humite 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 Humite and Andradite Garnet chemical formula.

• Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
• Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

Humite and Andradite Garnet Specific Gravity

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