Cuprite and Sunstone Physical Properties

Cuprite

Sunstone

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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

5.85-6.152.62-2.65

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

Fair in four directions forming octahedrons

001

1.7 Mohs Hardness

3.5-46

2 10

1.8 Chemical Composition

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

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Cuprite and Sunstone Chemical Formula

While comparing Cuprite and Sunstone 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 Sunstone chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Cuprite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.