Poudretteite and Phenakite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.51-2.53
2.90-2.98
Fracture
Conchoidal, Splintery
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Cleavage
None
Distinct on {11 2 0}, imperfect on {10 1 1}
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Poudretteite and Phenakite Chemical Formula
While comparing Poudretteite and Phenakite 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 Phenakite chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Poudretteite and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.