Gahnospinel and Bornite Physical Properties

Gahnospinel

Bornite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.555.06-5.08

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Poor on [111].

1.7 Mohs Hardness

7.5-83-3.25

2 10

1.8 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Cu5FeS4

Gahnospinel and Bornite Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Bornite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Bornite- Cu5FeS4

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Gahnospinel and Bornite Specific Gravity

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