Cuprite and Calcite Physical Properties

Cuprite

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.85-6.15

2.67-2.73

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Fair in four directions forming octahedrons

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Cuprite and Calcite Chemical Formula

While comparing Cuprite and Calcite 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 Calcite chemical formula.

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

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Cuprite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.