Cuprite and Tantalite Physical Properties

Cuprite

Tantalite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.85-6.155.2

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

Fair in four directions forming octahedrons

Good in one direction

Mohs Hardness

3.5-46-6.5

2 10

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Chemical Composition

Cu 2OMichael OâDonoghue , 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 OâDonoghue , 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

Compare Red Gemstones

Cuprite Vs Imperial Topaz

Cuprite Vs Jadeite

Cuprite Vs Manganotantalite

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.