Bornite and Chrome Tourmaline Physical Properties

Bornite

Chrome Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.082.85-3.35

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor on [111].

3,2

1.7 Mohs Hardness

3-3.257-7.5

2 10

1.8 Chemical Composition

Cu5FeS4

Tourmaline is a series of several different minerals with unique chemical formulas.

Bornite and Chrome Tourmaline Chemical Formula

While comparing Bornite and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Bornite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.