Watermelon Tourmaline and Legrandite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
3.98-4.04
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
Imperfect, poor one {100}
Mohs Hardness
7-7.5
4.5-5
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.
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Watermelon Tourmaline and Legrandite Chemical Formula
While comparing Watermelon Tourmaline and Legrandite 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 Legrandite 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 Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Watermelon Tourmaline and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.