Augite and Chalcopyrite Physical Properties

Augite

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

3.19-3.564.1-4.3

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Brittle, Metallic

1.6 Cleavage

{110} Perfect, {010} Indistinct

Indistinct on {011}

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Chalcopyrite Chemical Formula

While comparing Augite 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 Augite and Chalcopyrite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Augite and Chalcopyrite Specific Gravity

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