Description: A gorgeous 3.95ct Asscher Cut Green Tourmaline from Afghanistan.
This tourmaline's dimensions are 8.91 x 8.78 x 7.36 mm.
The color of a tourmaline can be caused by many varying factors. Some of which include elements and radiation exposure.
Tourmalines are pyroelectric gemstones. This means that "Tourmaline becomes electrically charged when heated. Also when squeezed: it's piezoelectric too" (gia.edu/tourmaline).