Pyrrhotite with Quartz and Calcite

Morro Velho, Nova Lima, Conselheiro Lafaiete, Minas Gerais  Brazil (±1970)

Specimen size: 5.9 × 4.5 × 3.8 cm = 2.32” × 1.77” × 1.50”
Main crystal size: 0.6 × 0.3 cm = 0.24” × 0.12”