Chromite and Gahnospinel Physical Properties

Chromite

Gahnospinel

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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

4.5-4.83.65-4.55

1 7.18

1.5 Fracture

Uneven

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None, parting may develop along {111}

None, but may exhibit slight parting

1.7 Mohs Hardness

5.57.5-8

2 10

1.8 Chemical Composition

Fe++Cr2O4

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

Chromite and Gahnospinel Chemical Formula

While comparing Chromite and Gahnospinel 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 Chromite and Gahnospinel chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Chromite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.