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Cuprite
Cuprite

Tantalite
Tantalite



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Cuprite and Tantalite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.85-6.155.2
Amber
1 7.18
1.5 Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Fair in four directions forming octahedrons
Good in one direction
1.7 Mohs Hardness
3.5-46-6.5
Amber
2 10
1.8 Chemical Composition
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Cuprite and Tantalite Chemical Formula

While comparing Cuprite 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 Cuprite and Tantalite chemical formula.

  • Chemical formula of Cuprite- Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Cuprite and Tantalite Specific Gravity

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