Jade and Gahnite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.38
4.00-4.62
Fracture
Gemstones of the world (2001), Difficult, Splintery
Conchoidal, Uneven
Cleavage
1 or 2,2 prismatic.
Indistinct parting on [111]
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Gahnite Chemical Formula
While comparing Jade and Gahnite 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 Gahnite chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Jade and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.