Roger Lang Minerals: 29 Apr - 06 May 2015

Cavnic Mine, Maramureș County, Romania

Limberg Quarries, Sasbach am Kaiserstuhl, Freiburg Region, Baden-Württemberg, Germany

Cumbria, United Kingdom

Bellecroix, Fontainebleau, Seine-et-Marne, Ile-de-France, France

Sicily, Italy

Hazlov, Cheb, Karlovy Vary Region, Czech Republic

Příbram District, Central Bohemian Region, Czech Republic

Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Krupka, Krušné Hory, Ústí nad Labem Region, Czech Republic

Zeche Dorstfeld, Dortmund, Ruhr, North Rhine - Westphalia, Germany

Suttrop, Warstein, Sauerland, North Rhine - Westphalia, Germany

Litija, Central Sava Region, Slovenia

West Cumberland Area, Cumbria, United Kingdom

Churprinz Friedrich August Erbstolln Mine, Großschirma, Mittelsachsen, Saxony, Germany

Impruneta, Florence Province, Tuscany, Italy

Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Bad Friedrichshall, Heilbronn, Stuttgart, Baden-Württemberg, Germany

Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany

Příbram District, Central Bohemian Region, Czech Republic

Botești, Zlatna, Alba County, Romania

Helgustadir Mine, Reydarfjörđur, Fjarðabyggð, Reydarfjördur, Eastern Region, Iceland

Weenzen Gypsum Pit, Salzhemmendorf, Lower Saxony, Germany

Schmalgraf Mine, Kelmis, Liège Province, Belgium

Schio, Vicenza Province, Veneto, Italy

Eplény Mine, Bakony Mountains, Veszprém County, Hungary

Matlock, Derbyshire, United Kingdom

Cleator Moor Mines, Cleator Moor, Cumbria, United Kingdom

Pcheloyad Mine, Momchilgrad Obshtina, Kardzhali Province, Bulgaria

Bräunsdorf, Limbach-Oberfrohna, Zwickau, Saxony, Germany