Piemontite and Cuprite Physical Properties

Piemontite

Cuprite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available5.85-6.15

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Fair in four directions forming octahedrons

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Cuprite Chemical Formula

While comparing Piemontite 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 Piemontite and Cuprite chemical formula.

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

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Piemontite and Cuprite Specific Gravity

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