Chalcopyrite and Cassiterite Physical Properties

Chalcopyrite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.1-4.36.86-7.03

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

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

1.6 Cleavage

Indistinct on {011}

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

1.7 Mohs Hardness

3.5-46-7

2 10

1.8 Chemical Composition

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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

Chalcopyrite and Cassiterite Chemical Formula

While comparing Chalcopyrite 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 Chalcopyrite and Cassiterite chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chalcopyrite and Cassiterite Specific Gravity

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