Carletonite and Indicolite Blue Tourmaline Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.45
  
3.05-3.11
  
Fracture
Conchoidal, Conchoidal, Brittle
  
Not Available
  
Cleavage
Perfect on {001}, good on {110}
  
Not Available
  
Mohs Hardness
4-4.5
  
7-7.5
  
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
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.
  
Carletonite and Indicolite Blue Tourmaline Chemical Formula
While comparing Carletonite and Indicolite Blue 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 Carletonite and Indicolite Blue Tourmaline chemical formula.
- Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Indicolite Blue 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.
Carletonite and Indicolite Blue Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Carletonite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.