Watermelon Tourmaline and Tigers Eye Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.40
  
2.58-2.64
  
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
  
Gems, Sixth Edition (2006)
  
Cleavage
Not Available
  
Indiscernible
  
Mohs Hardness
7-7.5
  
6.5-7
  
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  
SiO2
  
Watermelon Tourmaline and Tigers Eye Chemical Formula
While comparing Watermelon Tourmaline and Tigers Eye 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 Watermelon Tourmaline and Tigers Eye chemical formula.
- Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
- Chemical formula of Tigers Eye- SiO2
Watermelon Tourmaline and Tigers Eye Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.