London blue topaz and Boleite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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5.05
  
Fracture
Not Available
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
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[001] perfect
  
Mohs Hardness
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3-3.5
  
Chemical Composition
Not Available
  
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
London blue topaz and Boleite Chemical Formula
While comparing London blue topaz and Boleite 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 London blue topaz and Boleite chemical formula.
>- Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
London blue topaz and Boleite Specific Gravity
Another important criteria for qualitative analysis of gemstones is London blue topaz and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use London blue topaz and Boleite Optical Properties during the identification of gemstone. Specific gravity of London blue topaz is 5.05 whereas that of Boleite is 5.05.