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Watermelon Tourmaline and Franklinite Physical Properties


Franklinite and Watermelon Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.40   
5.05-5.22   

Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Not Available   
None   

Mohs Hardness
7-7.5   
5.5-6   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Watermelon Tourmaline and Franklinite Chemical Formula

While comparing Watermelon Tourmaline 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 Watermelon Tourmaline and Franklinite chemical formula.

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Watermelon Tourmaline and Franklinite Specific Gravity

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

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