Coral and Cuprite Physical Properties

Coral

Cuprite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.70

5.85-6.15

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Fair in four directions forming octahedrons

1.7 Mohs Hardness

3-4

3.5-4

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Coral and Cuprite Chemical Formula

While comparing Coral 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 Coral and Cuprite chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Coral and Cuprite Specific Gravity

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