Cassiterite and Chalcopyrite Physical Properties

Cassiterite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.034.1-4.3

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

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

Indistinct on {011}

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

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

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

Cassiterite and Chalcopyrite Chemical Formula

While comparing Cassiterite and Chalcopyrite 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 Chalcopyrite chemical formula.

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

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Cassiterite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.