Emerald and Elbaite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.90-3.10
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Imperfect on the [0001]
Poor/indistinct on {1120} and {1011}
Chemical Composition
Be3Al2SiO6
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Emerald and Elbaite Chemical Formula
While comparing Emerald and Elbaite 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 Elbaite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Emerald and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.
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