Gahnospinel and Franklinite Physical Properties

Gahnospinel

Franklinite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.65-4.55

Conchoidal

None, but may exhibit slight parting

7.5-8

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

5.05-5.22

Uneven

None

5.5-6

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

Gahnospinel and Franklinite Chemical Formula

While comparing Gahnospinel and Franklinite 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 Franklinite chemical formula.

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Gahnospinel and Franklinite Specific Gravity

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