Bloodstone Heliotrope and Watermelon Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
2.90-3.40
  
Fracture
Not Available
  
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
6.5-7
  
7-7.5
  
Chemical Composition
SiO 2Arthur Thomas , Gemstones (2009)
  
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.
  
Bloodstone Heliotrope and Watermelon Tourmaline Chemical Formula
While comparing Bloodstone Heliotrope and Watermelon 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 Bloodstone Heliotrope and Watermelon Tourmaline chemical formula.
- Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
- 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.
Bloodstone Heliotrope and Watermelon Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bloodstone Heliotrope and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone Heliotrope and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Bloodstone Heliotrope is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.