Gunnar Farber Minerals: 30 Sep - 07 Oct 2017

El Dragón Mine, Quijarro Province, Potosi Department, Bolivia

Monte Ramazzo Mine, Borzoli, Genova Province, Liguria, Italy

Molinello Mine, Ne, Graveglia Valley, Genova Province, Liguria, Italy

Cordero Mine, Opalite District, Humboldt County, Nevada, United States of America

Wet-loo, Kyauk-Pyat-That, Mogok, Pyin-Oo-Lwin, Mandalay, Myanmar (former Burma)

Blind Spring Hill, Benton, Mono County, California, United States of America

U S Borax Mine, Boron, Kern County, California, United States of America

Alkali Lake, Lake County, Oregon, United States of America

Hotson 6 Mine, Koenabib Farm, Bushmanland, Northern Cape Province, South Africa