Bornite and Piemontite Physical Properties

Bornite

Piemontite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

Not Available

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Uneven, Splintery

1.6 Cleavage

Poor on [111].

[001] good, [100] distinct

1.7 Mohs Hardness

3-3.25

6-6.5

1.8 Chemical Composition

Cu5FeS4

Not Available

Bornite and Piemontite Chemical Formula

While comparing Bornite and Piemontite 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 Bornite and Piemontite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Bornite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Bornite is Not Available whereas that of Piemontite is Not Available.