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Proustite and Franklinite Physical Properties


Franklinite and Proustite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.51-5.64   
5.05-5.22   

Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Distinct on {10 1 1}   
None   

Mohs Hardness
2.5   
5.5-6   

Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Proustite and Franklinite Chemical Formula

While comparing Proustite 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 Proustite and Franklinite chemical formula.

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Proustite and Franklinite Specific Gravity

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

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