Poudretteite and Cuprite Physical Properties

Poudretteite

Cuprite

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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

2.51-2.535.85-6.15

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

Fair in four directions forming octahedrons

1.7 Mohs Hardness

53.5-4

2 10

1.8 Chemical Composition

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

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

Poudretteite and Cuprite Chemical Formula

While comparing Poudretteite and Cuprite 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 Poudretteite and Cuprite chemical formula.

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

Compare Violet Gemstones

Poudretteite Vs Rubellite

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.