- MD-131608
- Gaudefroyite
- Black Rock Mine, Black Rock, Kalahari manganese fields, Northern Cape Province, South Africa
- Small Cabinet, 5.6 x 4.9 x 2.5 cm
- Ex. Charlie Key
- SOLD
Sharp crystals to 8 mm of the very rare manganese mineral species gaudefroyite, abundantly coating the matrix here. Classic, old, and hard to obtain today! Ex. Charlie Key Collection.