Systematica: 16 Jan - 23 Jan 2018

Madonna di Fucinaia Slag Locality, Campiglia Marittima, Campigliese, Livorno Province, Tuscany, Italy

Varenna Valley, Genova Province, Vado Ligure, Savona Province, Liguria, Italy

Bukov Mine, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic

Suvereto, Campigliese, Livorno Province, Tuscany, Italy

Santa Lucia Prospect, Muravera, Sarrabus, South Sardinia Province, Sardinia, Italy

Alluaiv Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation

Vyšná Boca, Liptovský Mikuláš County, Zilina Region, Slovakia (Slovak Republic)

Plavno Mine, Krušné Hory Mountains, Karlovy Vary Region, Czech Republic

Pastina, Santa Luce, Pisa Province, Tuscany, Italy

Långban, Filipstad, Värmland County, Sweden

Val Daone Mine, Limes, Daone, Chiese Valley, Trento Province, Trentino-Alto Adige, Italy

Schlarbaum Quarry, Klausen, Südoststeiermark, Styria, Austria

Bendada Mines, Bendada, Sabugal, Guarda District, Portugal

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, San Bernardino County, California, United States of America

Bukov Mine, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic

San Vito Quarry, Ercolano, Monte Somma, Somma-Vesuvius, Naples, Campania, Italy

Herzog Julius Smelter Slag Locality, Astfeld, Goslar, Lower Saxony, Germany

Praborna Mine, Saint-Marcel, Aosta Valley, Italy

Čierna Lehota, Bánovce nad Bebravou County, Trenčín Region, Slovakia (Slovak Republic)

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico

Blue Lizard Mine, Red Canyon, San Juan County, Utah, United States of America

Hilarion Mine, Hilarion, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece

Mula Claim, Tapera, Novo Horizonte, Bahia, Brazil

Schmorrasgrat-South, Ausserferrera, Ferrera Valley, Hinterrhein, Grisons, Switzerland

Nový Fojtov, Nejdek, Krušné Hory, Karlovy Vary Region, Czech Republic

Gambatesa Mine, Reppia, Genova, Liguria, Italy

Val Daone Mine, Limes, Daone, Chiese Valley, Trento Province, Trentino-Alto Adige, Italy

Fielders Hill, Clive County, New South Wales, Australia

Fibbia, Fontana, Leventina, Ticino, Switzerland

Swambo Hill, Kambove, Haut-Katanga, DR Congo