Apophyllite and Watermelon Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.50
  
2.90-3.40
  
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
  
Cleavage
Perfect on (001)
  
Not Available
  
Mohs Hardness
4.5-5
  
7-7.5
  
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
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.
  
Apophyllite and Watermelon Tourmaline Chemical Formula
While comparing Apophyllite 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 Apophyllite and Watermelon Tourmaline chemical formula.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
- 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.
Apophyllite and Watermelon Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.