Phenakite and Angelite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-2.98
  
Not Available
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
  
Not Available
  
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
  
Not Available
  
Mohs Hardness
7.5-8
  
3.5
  
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Phenakite and Angelite Chemical Formula
While comparing Phenakite and Angelite 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 Phenakite and Angelite chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Phenakite and Angelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Angelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Angelite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is Not Available whereas that of Angelite is Not Available.