Sapphire and Lepidolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
2.80-2.90
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
None, but may exhibit parting
  
{001} perfect
  
Mohs Hardness
9
  
2.5
  
Chemical Composition
Al 2 O 3
  
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
  
Sapphire and Lepidolite Chemical Formula
While comparing Sapphire and Lepidolite 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 Sapphire and Lepidolite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Sapphire and Lepidolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.
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