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Bastnasite and Watermelon Tourmaline Physical Properties


Watermelon Tourmaline and Bastnasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.95-5.0   
2.90-3.40   

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

Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}   
Not Available   

Mohs Hardness
4-5   
7-7.5   

Chemical Composition
(Ce,La)(CO 3)FMichael 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.   

Optical Properties >>
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Bastnasite and Watermelon Tourmaline Chemical Formula

While comparing Bastnasite 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 Bastnasite and Watermelon Tourmaline chemical formula.

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Bastnasite and Watermelon Tourmaline Specific Gravity

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

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