12.80ct Pink and Green Bi Color Tourmaline Crystal slice Measurement: Weight: 113mm x 88mm

Measurement: Weight: 113mm x 88mm x 64mm

Measurement: 106mm x 110mm x 116mm

but according to a study done by Gem-A (The Gemmological Association of Great Britain)

Great serration that spans the blade

12.80ct Pink and Green Bi Color Tourmaline Crystal slice Measurement: Weight: 113mm x 88mmThis beautiful crystal is perfect as a display specimen or even for a unique center piece in a piece of jewelry! It has an amazing pink base color with a green termination, very reminiscent of a watermelon tourmaline slice (but as a crystal). We consider this to be a thumbnail (TN) sized specimen. Measurements: 19. 8mm x 10. 5mm x 7. 1mm Weight: 12. 80 carats Locality: Cruzeiro Mine, Minas Gerais, Brazil