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Watermelon Tourmaline and Friedelite Physical Properties


Friedelite 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   
3.06-3.19   

Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)   
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven   

Cleavage
Not Available   
{010} Perfect   

Mohs Hardness
7-7.5   
4-5   

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.   
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   

Optical Properties >>
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Watermelon Tourmaline and Friedelite Chemical Formula

While comparing Watermelon Tourmaline and Friedelite 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 Friedelite chemical formula.

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Watermelon Tourmaline and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.

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