Phenakite and Verdite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-2.98
2.80-3.0
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Not Available
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
{110} Good
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFeS2•2(H2O)
Phenakite and Verdite Chemical Formula
While comparing Phenakite and Verdite 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 Phenakite and Verdite chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Verdite- NaFeS2•2(H2O)
Phenakite and Verdite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.