Cassiterite and Pyrargyrite Physical Properties

Cassiterite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.035.85

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

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

1.7 Mohs Hardness

6-72.5-3

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cassiterite and Pyrargyrite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Pyrargyrite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael 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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Cassiterite and Pyrargyrite Specific Gravity

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