- Quartz, Schorl
- Large Cabinet, 26.8 x 13.9 x 8.8 cm
- Governador Valadares, Doce valley, Minas Gerais, Southeast Region, Brazil
A very large Brazilian showpiece specimen, this striking specimen features very large, prismatic quartz crystals, the longer one just under 12 cm, in association with black schorl tourmaline crystals. Here and there, the schorls are dramatically penetrating right through the quartz crystals.