Tourmaline – Pederneira Mine, São José da Safira, Doce Valley, Minas Gerais, Brazil
 Green tourmaline with lustrous, striped prism surfaces and beautifully dissolved, undamaged end faces. With a width of just under 4 cm, the crystal appears almost black; only under direct, intense transmitted light does its transparency and bright green color reveal themselves.
 Beautiful tourmaline crystal from the Pederneira mine in Brazil.