Watermelon Tourmaline and Blue John Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
3.00-3.25
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Not Available
Cleavage
Not Available
Not Available
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.
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Watermelon Tourmaline and Blue John Chemical Formula
While comparing Watermelon Tourmaline and Blue John 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 Blue John 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 Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Watermelon Tourmaline and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Blue John Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 3.00-3.25 whereas that of Blue John is 3.00-3.25.