Emerald and Watermelon Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
2.90-3.40
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Cleavage
Imperfect on the [0001]
Not Available
Mohs Hardness
7.5-8
7-7.5
Chemical Composition
Be3Al2SiO6
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.
Emerald and Watermelon Tourmaline Chemical Formula
While comparing Emerald 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 Emerald and Watermelon Tourmaline chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Watermelon Tourmaline- 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.
Emerald and Watermelon Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.
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