Piemontite and Bornite Physical Properties

Piemontite

Bornite

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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

Not Available

5.06-5.08

1.5 Fracture

Uneven, Splintery

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

[001] good, [100] distinct

Poor on [111].

1.7 Mohs Hardness

6-6.5

3-3.25

1.8 Chemical Composition

Not Available

Cu5FeS4

Piemontite and Bornite Chemical Formula

While comparing Piemontite and Bornite 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 Piemontite and Bornite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Piemontite and Bornite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Bornite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Bornite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 5.06-5.08 whereas that of Bornite is 5.06-5.08.