Franckeite, Zinkenite
available$ 125
- Locality
- Itos Mine, Oruro, Bolivia
- Minerals
- Franckeite, Zinkenite
- Dimensions
- 3.5 x 3 x 2 cm
- Size class
- Miniature
- SID
- SV252
Intergrown spherical clusters of metallic Franckeite with silvery needles of Zinkenite. Franckeite is a rare lead, tin, antimony sulfosalt that is closely related to cylindrite.
It was first described in 1893 and named after mining engineers and brothers Carl and Ernest Francke.