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Ludlamite and Watermelon Tourmaline Physical Properties


Watermelon Tourmaline and Ludlamite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.2   
2.90-3.40   

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

Cleavage
Vitreous, pearly on cleavage   
Not Available   

Mohs Hardness
3-4   
7-7.5   

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
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.   

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Ludlamite and Watermelon Tourmaline Chemical Formula

While comparing Ludlamite and Watermelon Tourmaline 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 Ludlamite and Watermelon Tourmaline chemical formula.

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Ludlamite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.

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