- Locality
- Machacamarca Mine, Potosi Dept., Bolivia
- Minerals
- Bournonite
- Dimensions
- 2.4 x 2.3 x 1.5 cm
- Size class
- Thumbnail
- SID
- CT182
Well formed intergrown 'cogwheels' of Bournonite to 2.2cm with small amounts of attached matrix. This is from older finds at mine that has produced some of the world's finest Bournonites.
