Dumortierite Quartz. 364.5 ct. Vaca Morta quarry, Bahia, Brazil

Quartz - dumortierite from vaca morta quarry, serra da vereda, boquira, bahia, brazil. Comes with certificate of authenticity. Average weight (carats): 364.5 ct. Size (mm): 80 x 63 x 20 mm.