Watermelon Tourmaline and Austinite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Easily soluble in cold dilute HCl
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
4.12
Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Brittle, Uneven, Brittle, Uneven
Cleavage
Not Available
Good in two directions parallel to the prism faces {110}
Mohs Hardness
7-7.5
4-4.5
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.
CaZn(AsO4)(OH)
Watermelon Tourmaline and Austinite Chemical Formula
While comparing Watermelon Tourmaline and Austinite 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 Austinite 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 Austinite- CaZn(AsO4)(OH)
Watermelon Tourmaline and Austinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Austinite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 4.12 whereas that of Austinite is 4.12.