Cordierite and Phenakite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.57-2.66
2.90-2.98
Fracture
Subconchoidal, Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Cleavage
Fair on {100}, poor on {001} and {010}
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
7-7.5
7.5-8
Chemical Composition
Mg2Al4Si5O18
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cordierite and Phenakite Chemical Formula
While comparing Cordierite 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 Cordierite and Phenakite chemical formula.
- Chemical formula of Cordierite- Mg2Al4Si5O18
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cordierite and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cordierite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.