Cuprite and Poudretteite Physical Properties

Cuprite

Poudretteite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.85-6.152.51-2.53

1 7.18

1.5 Fracture

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

Conchoidal, Splintery

1.6 Cleavage

Fair in four directions forming octahedrons

None

1.7 Mohs Hardness

3.5-45

2 10

1.8 Chemical Composition

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

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Cuprite and Poudretteite Chemical Formula

While comparing Cuprite and Poudretteite 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 Poudretteite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cuprite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.