Gahnite and Chalcopyrite Physical Properties

Gahnite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.624.1-4.3

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven, Brittle, Metallic

1.6 Cleavage

Indistinct parting on [111]

Indistinct on {011}

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

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

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

Gahnite and Chalcopyrite Chemical Formula

While comparing Gahnite 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 Gahnite and Chalcopyrite chemical formula.

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

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Gahnite and Chalcopyrite Specific Gravity

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