Emerald and Phenakite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.90-2.98
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Cleavage
Imperfect on the [0001]
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
7.5-8
7.5-8
Chemical Composition
Be3Al2SiO6
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Phenakite Chemical Formula
While comparing Emerald 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 Emerald and Phenakite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.
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