Cuprite and Gahnite Physical Properties

Cuprite

Gahnite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.85-6.154.00-4.62

1 7.18

1.5 Fracture

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Conchoidal, Uneven

1.6 Cleavage

Fair in four directions forming octahedrons

Indistinct parting on [111]

1.7 Mohs Hardness

3.5-47.5-8

2 10

1.8 Chemical Composition

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Cuprite and Gahnite Chemical Formula

While comparing Cuprite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cuprite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.