Tanzanite and Brazilianite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
3.35
  
2.98-2.99
  
Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Gems
  
Cleavage
Perfect {010}, imperfect {100}
  
(010) Distinct to good
  
Mohs Hardness
6.5-7
  
5.5
  
Chemical Composition
Ca2Al3(SiO4)3(OH)
  
NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Tanzanite and Brazilianite Chemical Formula
While comparing Tanzanite and Brazilianite 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 Tanzanite and Brazilianite chemical formula.
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tanzanite and Brazilianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tanzanite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.