Talmessite coating Calcite with manganese oxides

Lanping, Nujiang Autonomous Prefecture, Yunnan Province  China (07/2022)

Specimen size: 10.2 × 10 × 5.8 cm = 4.02” × 3.94” × 2.28”
Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”