Andradite and Akoya pearl Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.70-4.10
  
Not Available
  
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
none
  
Not Available
  
Mohs Hardness
6.5-7
  
Not Available
  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Not Available
  
Andradite and Akoya pearl Chemical Formula
While comparing Andradite and Akoya 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 Andradite and Akoya pearl chemical formula.
- Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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Andradite and Akoya pearl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite and Akoya pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Akoya pearl Optical Properties during the identification of gemstone. Specific gravity of Andradite is Not Available whereas that of Akoya pearl is Not Available.