Watermelon Tourmaline

Tourmaline crystals with a pink centre and a green rim, or vice-versa, are called  watermelon tourmaline, because their coloring is similar to the pink flesh and green rind of a watermelon. Many other tourmalines are made up of two or more colors, individual crystals containing up to 15 different colors or shades.

Watermelon tourmaline is found in South Africa, East Africa, Brazil and in a many other localities.

Parti and multi-colored tourmaline is carved or cut and polished to show off the different colors to best effect.




Watermelon Tourmaline Properties

Chemical Composition: 
Complex borosilicate
Crystal System / Forms: 
Trigonal
Hardness: 
7.5
Specific Gravity: 
3.06
Lustre: 
Vitreous
Refractive Index / Birefringence: 
1.62-1.64 / 0.018
Sources: 
South Africa, East Africa, Brazil
Cuts & Uses: 
Baguette, Cabochon