Watermelon Tourmaline and Pyrophyllite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.40
  
2.65-2.90
  
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
  
Gemstones (2009), Flexible Flexible fragments.
  
Cleavage
Not Available
  
{001} Perfect
  
Mohs Hardness
7-7.5
  
Not Available
  
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.
  
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Watermelon Tourmaline and Pyrophyllite Chemical Formula
While comparing Watermelon Tourmaline and Pyrophyllite 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 Pyrophyllite 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 Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Watermelon Tourmaline and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.