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Franklinite and Sinhalite Physical Properties


Sinhalite and Franklinite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05-5.22   
3.46-3.50   

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

Cleavage
None   
Not Available   

Mohs Hardness
5.5-6   
6-7   

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

Optical Properties >>
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Franklinite and Sinhalite Chemical Formula

While comparing Franklinite and Sinhalite 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 Sinhalite chemical formula.

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Franklinite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.

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Red Gemstones


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