Proustite and Cassiterite Physical Properties

Proustite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.646.86-7.03

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Distinct on {10 1 1}

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

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

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

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

Proustite and Cassiterite Chemical Formula

While comparing Proustite and Cassiterite 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 Proustite and Cassiterite chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Black Gemstones

Proustite Vs Schorlomite

Proustite Vs Sheen Obsidian

Proustite Vs Serendibite

Proustite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.