Cuprite and Willemite Physical Properties

Cuprite

Willemite

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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

5.85-6.153.89-4.18

1 7.18

1.13 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.14 Cleavage

Fair in four directions forming octahedrons

{0001}, {11 2 0} imperfect

1.15 Mohs Hardness

3.5-45.5

2 10

1.16 Chemical Composition

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

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cuprite and Willemite Chemical Formula

While comparing Cuprite and Willemite 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 Willemite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cuprite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.