Andesine and Pearl Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65-2.69
  
2.60-2.85
  
Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
  
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect on {001}, good on {010}
  
none
  
Mohs Hardness
6-6.5
  
2.5-4.5
  
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
  
Not Available
  
Andesine and Pearl Chemical Formula
While comparing Andesine and Pearl 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 Andesine and Pearl chemical formula.
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
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Andesine and Pearl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andesine and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Pearl Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.60-2.85 whereas that of Pearl is 2.60-2.85.