Anhydrite and Bornite Physical Properties

Anhydrite

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

2.90-2.98

5.06-5.08

1.5 Fracture

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

Poor on [111].

1.7 Mohs Hardness

3.5

3-3.25

1.8 Chemical Composition

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Cu5FeS4

Anhydrite and Bornite Chemical Formula

While comparing Anhydrite 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 Anhydrite and Bornite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Bornite- Cu5FeS4

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Anhydrite and Bornite Specific Gravity

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