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Jet
Jet

Franklinite
Franklinite



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Jet
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Franklinite

Jet and Franklinite Physical Properties

Jet
Jet
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.19-1.35
ConchoidalWalter Schumann
None
2.5-4
C
 
-
-
-
5.05-5.22
Uneven
None
5.5-6
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Jet and Franklinite Chemical Formula

While comparing Jet 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 Jet and Franklinite chemical formula.

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Jet and Franklinite Specific Gravity

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