Manganite

Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany

Specimen size: 4.8 × 4 × 3.9 cm = 1.89” × 1.57” × 1.54”
Main crystal size: 1.9 × 0.6 cm = 0.75” × 0.24”