Chalcopyrite and Gahnite Physical Properties

Chalcopyrite

Gahnite

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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

4.1-4.34.00-4.62

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

Conchoidal, Uneven

1.6 Cleavage

Indistinct on {011}

Indistinct parting on [111]

1.7 Mohs Hardness

3.5-47.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Chalcopyrite and Gahnite Chemical Formula

While comparing Chalcopyrite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chalcopyrite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcopyrite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcopyrite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Chalcopyrite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.