Cuprite and Verdite Physical Properties

Cuprite

Verdite

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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

5.85-6.152.80-3.0

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Fair in four directions forming octahedrons

{110} Good

1.7 Mohs Hardness

3.5-43

2 10

1.8 Chemical Composition

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

NaFeS2•2(H2O)

Cuprite and Verdite Chemical Formula

While comparing Cuprite and Verdite 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 Verdite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Verdite- NaFeS2•2(H2O)

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Cuprite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.