Emerald and Dioptase Physical Properties
Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
3.25-3.35
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
Imperfect on the [0001]
Perfect in three directions
Mohs Hardness
7.5-8
5
Chemical Composition
Be3Al2SiO6
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Dioptase Chemical Formula
While comparing Emerald and Dioptase 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 Dioptase chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Dioptase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.
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