Gahnospinel and Cobaltite Physical Properties

Gahnospinel

Cobaltite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.65-4.556.3

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

None, but may exhibit slight parting

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

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

CoAsSAnthony et al , Handbook of mineralogy (2001)

Gahnospinel and Cobaltite Chemical Formula

While comparing Gahnospinel and Cobaltite 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 Cobaltite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 6.3 whereas that of Cobaltite is 6.3.