4711 Stilbite-Ca, Calcite, Forra di Bulla, Castelrotto, Siusi Alp, Gardena Valley, Bolzano Province, Trentino-Alto Adige, Italy November 16, 2018 Steve Europe Italy Click on thumbnail for full sized imageā¦
Africa Namibia 5382 Minrecordite, Calcite, Duftite, Tsumeb Mine, Tsumeb, Otjikoto, Namibia September 29, 2019
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK March 29, 2025
California North and Central Americas United States 5330 Calcite, Tick Canyon, Lang, Los Angeles Co., California September 29, 2019