Shigaite and Cuprite Physical Properties

Shigaite

Cuprite

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1 Physical Properties

2.2 Tenacity

Moderately ﬂexible

Brittle

2.3 Solubility

Not Available

2.6 Durability

Not Available

2.8 Specific Gravity

2.325.85-6.15

1 7.18

2.9 Fracture

Flexible Flexible fragments.

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

2.11 Cleavage

Perfect on {0001}

Fair in four directions forming octahedrons

2.13 Mohs Hardness

23.5-4

2 10

2.15 Chemical Composition

Not Available

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

Shigaite and Cuprite Chemical Formula

While comparing Shigaite 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 Shigaite and Cuprite chemical formula.

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

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Shigaite and Cuprite Specific Gravity

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