Kostas Charalampidis Minerals: 29 Sep - 05 Oct 2017

Serifos Island, Milos, South Aegean, Greece

Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece

Plaka Mines, Plaka, Lavrion District, Attiki Prefecture, Greece

Panasqueira Mines, Covilhã, Castelo Branco District, Portugal

Slyudyanka, Lake Baikal, Irkutsk Oblast, Russian Federation

Deveti Septemvri Mine, Smolyan Oblast, Bulgaria

Eniovche Mine, Ardino, Kardzhali Province, Bulgaria

Cavnic Mine, Maramureș County, Romania

Panasqueira Mines, Covilhã, Castelo Branco District, Portugal

Eniovche Mine, Ardino, Kardzhali Province, Bulgaria