Thulite and Shigaite Physical Properties
Tenacity
Not Available
  
Moderately flexible
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1
  
2.32
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Flexible Flexible fragments.
  
Cleavage
Perfect {010} imperfect {100}
  
Perfect on {0001}
  
Mohs Hardness
6-7
  
2
  
Chemical Composition
Ca2Al3(SiO4)3(OH)
  
Not Available
  
Thulite and Shigaite Chemical Formula
While comparing Thulite and Shigaite 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 Thulite and Shigaite chemical formula.
- Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
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Thulite and Shigaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Thulite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Thulite is 2.32 whereas that of Shigaite is 2.32.