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Watermelon Tourmaline and Powellite Physical Properties


Powellite 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   
4.23   

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

Cleavage
Not Available   
{111} Distinct   

Mohs Hardness
7-7.5   
3.5-4   

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.   
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Watermelon Tourmaline and Powellite Chemical Formula

While comparing Watermelon Tourmaline and Powellite 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 Powellite chemical formula.

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Watermelon Tourmaline and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Powellite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 4.23 whereas that of Powellite is 4.23.

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