Hematite

Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Northeast Region  Brazil

Specimen size: 2.7 × 2.4 × 1.6 cm = 1.06” × 0.94” × 0.63”
Main crystal size: 2.4 × 1.8 cm = 0.94” × 0.71”