Carnelian and Cuprite Physical Properties

Carnelian

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

2.58-2.64

5.85-6.15

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Absent

Fair in four directions forming octahedrons

1.7 Mohs Hardness

6.5-7

3.5-4

1.8 Chemical Composition

SiO₂

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

Carnelian and Cuprite Chemical Formula

While comparing Carnelian 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 Carnelian and Cuprite chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Carnelian Vs Kunzite

Carnelian Vs Prasiolite

Carnelian Vs Quartz

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Carnelian and Cuprite Specific Gravity

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