Emerald and Diopside Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
3.22-3.40
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
  
Cleavage
Imperfect on the [0001]
  
Distinct/good on {110}
  
Mohs Hardness
7.5-8
  
5-6
  
Chemical Composition
Be3Al2SiO6
  
CaMgSi2O6
  
Emerald and Diopside Chemical Formula
While comparing Emerald and Diopside 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 Diopside chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Diopside- CaMgSi2O6
Emerald and Diopside Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Diopside Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.22-3.40 whereas that of Diopside is 3.22-3.40.
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