Schorl and London blue topaz Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.18-3.22
  
Not Available
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Not Available
  
Cleavage
{1011} Indistinct
  
Not Available
  
Mohs Hardness
Not Available
  
Not Available
  
Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
Not Available
  
Schorl and London blue topaz Chemical Formula
While comparing Schorl and London blue 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 Schorl and London blue topaz chemical formula.
- Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
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Schorl and London blue topaz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Schorl and London blue topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and London blue topaz Optical Properties during the identification of gemstone. Specific gravity of Schorl is Not Available whereas that of London blue topaz is Not Available.