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Zoisite
Zoisite

Tantalite
Tantalite



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Zoisite
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Tantalite

Zoisite and Tantalite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.3 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.5 Specific Gravity
3.20-3.505.2
Amber
1 7.18
1.2 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.4 Cleavage
Perfect {010} imperfect {100}
Good in one direction
1.5 Mohs Hardness
6-76-6.5
Amber
2 10
1.7 Chemical Composition
Ca2Al3(SiO4)3(OH)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Zoisite and Tantalite Chemical Formula

While comparing Zoisite and Tantalite 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 Zoisite and Tantalite chemical formula.

  • Chemical formula of Zoisite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Zoisite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 5.2 whereas that of Tantalite is 5.2.