Sapphire and Pectolite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
2.74-2.90
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Uneven, Gemstones (2009), Splintery
  
Cleavage
None, but may exhibit parting
  
Perfect on {100} and {001}
  
Mohs Hardness
9
  
4.5-5
  
Chemical Composition
Al 2 O 3
  
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
  
Sapphire and Pectolite Chemical Formula
While comparing Sapphire and Pectolite 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 Pectolite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Sapphire and Pectolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.
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