Beryllonite and Emerald Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
2.79-2.87
2.67-2.78
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Imperfect on the [0001]
Mohs Hardness
5.5-6
7.5-8
Chemical Composition
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
Beryllonite and Emerald Chemical Formula
While comparing Beryllonite and Emerald 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 Beryllonite and Emerald chemical formula.
- Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Emerald- Be3Al2SiO6
Beryllonite and Emerald Specific Gravity
Another important criteria for qualitative analysis of gemstones is Beryllonite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.