Indicolite Blue Tourmaline and Oligoclase Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.05-3.11
  
2.62-2.67
  
Fracture
Not Available
  
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
  
Cleavage
Not Available
  
From the Greek, oligos and kasein, little cleavage.
  
Mohs Hardness
7-7.5
  
6-6.5
  
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.
  
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Indicolite Blue Tourmaline and Oligoclase Chemical Formula
While comparing Indicolite Blue Tourmaline and Oligoclase 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 Indicolite Blue Tourmaline and Oligoclase chemical formula.
- 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.
- Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Indicolite Blue Tourmaline and Oligoclase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.