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Watermelon Tourmaline and Hardystonite Physical Properties


Hardystonite and Watermelon Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.40   
3.396-3.443   

Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)   
Brittle, Metallic   

Cleavage
Not Available   
[001] good, [100] and [110] fair   

Mohs Hardness
7-7.5   
3-4   

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.   
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Watermelon Tourmaline and Hardystonite Chemical Formula

While comparing Watermelon Tourmaline and Hardystonite 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 Hardystonite chemical formula.

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Watermelon Tourmaline and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.

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