Thulite and Heliodor Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1
  
Not Available
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
Perfect {010} imperfect {100}
  
Not Available
  
Mohs Hardness
6-7
  
7.5
  
Chemical Composition
Ca2Al3(SiO4)3(OH)
  
Not Available
  
Thulite and Heliodor Chemical Formula
While comparing Thulite and Heliodor 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 Heliodor chemical formula.
- Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
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Thulite and Heliodor Specific Gravity
Another important criteria for qualitative analysis of gemstones is Thulite and Heliodor Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Heliodor Optical Properties during the identification of gemstone. Specific gravity of Thulite is Not Available whereas that of Heliodor is Not Available.