Franklinite and Wulfenite Physical Properties

Franklinite

Wulfenite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

5.05-5.22

Uneven

None

5.5-6

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

Brittle

6.50-7.00

Irregular, Conchoidal

On {011}, distinct; on {001}, {013}, indistinct

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Franklinite and Wulfenite Chemical Formula

While comparing Franklinite and Wulfenite 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 Wulfenite chemical formula.

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Franklinite and Wulfenite Specific Gravity

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