Bornite and Gedrite Physical Properties

Bornite

Gedrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.06-5.083.15-3.259

1 7.18

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Fracture

Uneven, Subconchoidal, Conchoidal

Cleavage

Poor on [111].

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

3-3.255.5-6

2 10

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Chemical Composition

Cu5FeS4

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Bornite and Gedrite Chemical Formula

While comparing Bornite and Gedrite 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 Gedrite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Bornite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.