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Tanzanite
Tanzanite

Bustamite
Bustamite



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Tanzanite and Bustamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Partly soluble in HCl.
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
3.35
3.32-3.43
1.5 Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect {010}, imperfect {100}
{100} perfect; {110} and {1 1 0} good; {010} poor
1.7 Mohs Hardness
6.5-7
5.5-6
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Bustamite Chemical Formula

While comparing Tanzanite and Bustamite 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 Bustamite chemical formula.

  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Tanzanite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.