Quartz with Calcite

Diamantina, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 13.7 × 2.9 × 2.3 cm = 5.39” × 1.14” × 0.91”
Main crystal size: 13.3 × 1.9 cm = 5.24” × 0.75”