Wulfenite and Franklinite Physical Properties

Wulfenite

Franklinite

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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

6.50-7.005.05-5.22

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

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

1.6 Cleavage

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

None

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

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

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

Wulfenite and Franklinite Chemical Formula

While comparing Wulfenite 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 Wulfenite and Franklinite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Wulfenite Vs Hessonite Garnet

Wulfenite Vs Garnet Malaia

Wulfenite and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.