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Jacobsite and Franklinite Physical Properties


Franklinite and Jacobsite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.76-5.03   
5.05-5.22   

Fracture
Conchoidal, Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
None   
None   

Mohs Hardness
5.5-6.5   
5.5-6   

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

Optical Properties >>
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Jacobsite and Franklinite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Franklinite chemical formula.

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Jacobsite and Franklinite Specific Gravity

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

Brown Gemstones

Brown Gemstones


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