Smithsonite and Pyrargyrite Physical Properties

Smithsonite

Pyrargyrite

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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

4.00-4.655.85

1 7.18

1.5 Fracture

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

Perfect on [1011]

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

1.7 Mohs Hardness

5-5.52.5-3

2 10

1.8 Chemical Composition

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

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

Smithsonite and Pyrargyrite Chemical Formula

While comparing Smithsonite and Pyrargyrite 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 Smithsonite and Pyrargyrite chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Smithsonite and Pyrargyrite Specific Gravity

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