Watermelon tourmaline — specimen 0534, photo © NMNHS
Watermelon tourmaline — specimen 0534
Weight: 1.14 ct; size: 11.57 | 3.86 | 3.45 mm; shape: octagon; colour: medium dark very strongly greenish blue; very slightly greyish; clarity: eye clean; cut: excellent; treatment: none.
Very clean specimen; design ‘Octaelongatis 4’, excellent cut by Tan Pen.
More information from ‘Classification’
A variety of tourmaline (primarily elbaite) with colour zoning usually showing a pink core and green edges, like a watermelon.