Adamite and Bornite Physical Properties

Adamite

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

4.32-4.48

5.06-5.08

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{101}, good; {010}, poor

Poor on [111].

1.7 Mohs Hardness

3.5

3-3.25

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Cu5FeS4

Adamite and Bornite Chemical Formula

While comparing Adamite 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 Adamite and Bornite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Bornite- Cu5FeS4

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Adamite and Bornite Specific Gravity

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