Jade and Andradite Physical Properties

Jade and Andradite Chemical Formula

While comparing Jade and Andradite 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 Jade and Andradite chemical formula.

• Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
• Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Jade and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Andradite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.70-4.10 whereas that of Andradite is 3.70-4.10.