Watermelon Tourmaline and Umbalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
3.62-4.33
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Cleavage
Not Available
Not Available
Mohs Hardness
7-7.5
7-7.5
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.
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Watermelon Tourmaline and Umbalite Chemical Formula
While comparing Watermelon Tourmaline and Umbalite 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 Umbalite chemical formula.
- 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.
- Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Watermelon Tourmaline and Umbalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.