- MD-64334
- Poldervaartite
- N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
- Thumbnail, 2.6 x 2.6 x 1.7 cm
- SOLD
Two intergrown bowties of the N'Chwaning rarity poldervaartite - not usually this aesthetic, and in fact, it is hard to imagine a more attractive thumber of this material! 2.6 x 2.6 x 1.7 cm