Poudretteite and Jade Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.51-2.53
2.90-3.38
Fracture
Conchoidal, Splintery
Gemstones of the world (2001), Difficult, Splintery
Cleavage
None
1 or 2,2 prismatic.
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Poudretteite and Jade Chemical Formula
While comparing Poudretteite and Jade 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 Poudretteite and Jade chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Poudretteite and Jade Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Jade Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.90-3.38 whereas that of Jade is 2.90-3.38.