Cryolite and Tourmaline Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.97
  
2.85-3.35
  
Fracture
Uneven
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None observed
  
Indistinct
  
Mohs Hardness
2.5
  
7-7.5
  
Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Cryolite and Tourmaline Chemical Formula
While comparing Cryolite and Tourmaline 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 Cryolite and Tourmaline chemical formula.
- Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Cryolite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cryolite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.