Bertrandite and White topaz Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.59-2.60
  
Not Available
  
Fracture
Brittle, Metallic, Brittle, Metallic
  
Not Available
  
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
  
Not Available
  
Mohs Hardness
6-7
  
Not Available
  
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
Not Available
  
Bertrandite and White topaz Chemical Formula
While comparing Bertrandite and White topaz 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 Bertrandite and White topaz chemical formula.
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
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Bertrandite and White topaz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bertrandite and White topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and White topaz Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is Not Available whereas that of White topaz is Not Available.