Chrysoberyl and Nuummite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.69-3.81
  
3.18-3.37
  
Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
  
Conchoidal
  
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
  
Perfect on 210
  
Mohs Hardness
8.5
  
5.5-6
  
Chemical Composition
BeAl 2 O 4
  
Not Available
  
Chrysoberyl and Nuummite Chemical Formula
While comparing Chrysoberyl and Nuummite 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 Chrysoberyl and Nuummite chemical formula.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
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Chrysoberyl and Nuummite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.