Tugtupite and Gahnite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.60
  
4.00-4.62
  
Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, Uneven
  
Cleavage
{111} Imperfect
  
Indistinct parting on [111]
  
Mohs Hardness
5.5-6
  
7.5-8
  
Chemical Composition
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Tugtupite and Gahnite Chemical Formula
While comparing Tugtupite and Gahnite 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 Tugtupite and Gahnite chemical formula.
- Chemical formula of Tugtupite- Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Tugtupite and Gahnite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tugtupite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tugtupite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Tugtupite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.