Bornite and Ruby Physical Properties

Bornite

Ruby

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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

5.06-5.083.97-4.05

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Conchoidal

1.6 Cleavage

Poor on [111].

No true cleavage

1.7 Mohs Hardness

3-3.259

2 10

1.8 Chemical Composition

Cu5FeS4

Al ₂ O ₃

Bornite and Ruby Chemical Formula

While comparing Bornite and Ruby 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 Ruby chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Ruby- Al ₂ O ₃

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Bornite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.