Smithsonite and Poudretteite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.00-4.65
2.51-2.53
Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, Splintery
Cleavage
Perfect on [1011]
None
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Smithsonite and Poudretteite Chemical Formula
While comparing Smithsonite and Poudretteite 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 Smithsonite and Poudretteite chemical formula.
- Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Smithsonite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Smithsonite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.