The pictures in the following presentation are © 1997J. Wolf Kuehn and cannot be retrieved by any means.
I want to take this opportunity to thank Dalton A. Canelhas and the owner of Itagem for their support and hospitality.
Visit to the second mine. Going down in the elevator.
Emerald veins become visible as the elevator descends.
The emeralds are found in a Biototic (compost shale, mainly by
Biotite) layer.
The author with fellow underground visitors.
Trucks carry the extracted material to the processing area.
The processing plant.
Emeralds from the Nova Era.