Watermelon Tourmaline
| Also known as | Tourmaline (Tourmaline family) |
|---|---|
| Colour | Pink, Green, Red, Blue |
| Mohs hardness | 7.0–7.5 |
| Lustre | Vitreous |
| Streak | White |
| Crystal system | Trigonal |
| Transparency | Transparent to opaque |
| Cleavage | Poor/indistinct on {1120} and {1011} |
| Fracture | Sub-conchoidal |
| Chemical formula | Na(Li 1.5 Al 1.5 )Al 6 Si 6 O 18 (BO 3 ) 3 (OH) 4 |
| Specific gravity | 2.9–3.2 |
What is Watermelon Tourmaline?
Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4, is a mineral species belonging to the six-member ring cyclosilicate tourmaline group.
How to identify Watermelon Tourmaline
- Lustre: Vitreous.
- Hardness: Mohs 7.0–7.5 — hard enough to scratch glass.
- Streak: White.
- Habit: Trigonal crystal system.
Watermelon Tourmaline in different forms
Stones often confused with Watermelon Tourmaline
Frequently asked questions
How hard is Watermelon Tourmaline?
Watermelon Tourmaline is Mohs 7.0–7.5 on the hardness scale.
What colour is Watermelon Tourmaline?
Watermelon Tourmaline is typically pink, green, red, blue (Green, red to pink, blue, orange, yellow, colorless, multicolored).