Jade and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
1.77
Fracture
Gemstones of the world (2001), Difficult, Splintery
Not Available
Cleavage
1 or 2,2 prismatic.
Perfect on {10 1 0}
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Ettringite Chemical Formula
While comparing Jade and Ettringite 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 Ettringite chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Jade is 1.77 whereas that of Ettringite is 1.77.