Tourmaline Watermelon Free Form Pair 4.06 tcw

Pink and green watermelon tourmaline pair.

VIDEO GREEN TOURMALINE

Certificate:…………None
Chemical Formula:…….Al6(BO3)3Si6O18(OH)4
Shape, Cut:………….Step free Form
Size:………………. 1) 7.5 x 6 x 5mm 2) 8 x 5.5 x 4.6mm
Weight:…………….. 1) 2.05ct 2) 2.06ct
Color:………………Pinkish and Green
Hardness:……………7 – 7.5
Refractive Index:…….1.616 – 1.650
Transparency:………..Transparent
Double Refraction:…….018
Mineral Class:……….Tourmaline

Watermelon tourmaline is a variant of concentrically colour-zoned tourmaline. It’s characterised by its pinkish-red interior and green exterior, making it resemble a watermelon. The term ‘watermelon tourmaline’ was coined by George Robley Howe from Norway, Maine in the United States.