Franklinite and Cobaltite Physical Properties

Franklinite

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

5.05-5.226.3

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

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

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

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Franklinite and Cobaltite Chemical Formula

While comparing Franklinite 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 Franklinite and Cobaltite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Franklinite Vs Hibonite

Franklinite Vs Hexagonite

Franklinite Vs Hydrogrossular

Franklinite and Cobaltite Specific Gravity

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