Catapleiite and Andradite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72
  
3.70-4.10
  
Fracture
Brittle, Metallic, Brittle, Metallic
  
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{110} Perfect, {010} Perfect
  
none
  
Mohs Hardness
5-6
  
6.5-7
  
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Catapleiite and Andradite Chemical Formula
While comparing Catapleiite and Andradite 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 Catapleiite and Andradite chemical formula.
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Catapleiite and Andradite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Catapleiite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.