Chalcopyrite and Pyrophyllite Physical Properties

Chalcopyrite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.1-4.32.65-2.90

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Indistinct on {011}

{001} Perfect

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chalcopyrite and Pyrophyllite Chemical Formula

While comparing Chalcopyrite and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chalcopyrite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcopyrite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcopyrite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Chalcopyrite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.