Wernerite and Phenakite Physical Properties
Specific Gravity
2.50-2.80
2.90-2.98
Fracture
-
Conchoidal, ConchoidalWalter Schumann
Cleavage
Perfect
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
5-6.5
7.5-8
Chemical Composition
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wernerite and Phenakite Chemical Formula
While comparing Wernerite 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 Wernerite and Phenakite chemical formula.
- Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wernerite and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wernerite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wernerite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Wernerite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.