Pyrargyrite and Cuprite Physical Properties

Pyrargyrite

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

5.855.85-6.15

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

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

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Fair in four directions forming octahedrons

1.7 Mohs Hardness

2.5-33.5-4

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrargyrite and Cuprite Chemical Formula

While comparing Pyrargyrite 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 Pyrargyrite and Cuprite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pyrargyrite and Cuprite Specific Gravity

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