Phenakite and Marble 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
  
Not Available
  
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Phenakite and Marble Chemical Formula
While comparing Phenakite and Marble 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 Marble chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Phenakite and Marble Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Marble Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Marble Optical Properties during the identification of gemstone. Specific gravity of Phenakite is Not Available whereas that of Marble is Not Available.