Bornite and Emerald Physical Properties

Bornite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

5.06-5.08

2.67-2.78

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Poor on [111].

Imperfect on the [0001]

1.7 Mohs Hardness

3-3.25

7.5-8

1.8 Chemical Composition

Cu5FeS4

Be₃Al₂SiO₆

Bornite and Emerald Chemical Formula

While comparing Bornite and Emerald 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 Emerald chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Emerald- Be₃Al₂SiO₆

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Bornite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.