Bornite and Vivianite Physical Properties

Bornite

Vivianite

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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

5.06-5.082.64-2.70

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

(e.g. graphite).

1.6 Cleavage

Poor on [111].

{010} Perfect

1.7 Mohs Hardness

3-3.25Not Available

2 10

1.8 Chemical Composition

Cu5FeS4

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Bornite and Vivianite Chemical Formula

While comparing Bornite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Bornite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.