This member of the calcite family is believed to be the navigation stone used by the Vikings to find there way on the ocean when the sun was obscured ...
Location: Xinjiang Province, China
Location: Mina La Ojuela, Mapimi, Durango, Mexico
Location: Erongo Mountains, Erongo Region, Namibia
Location: Katanga, Shaba Province, Democratic Republic of the Congo
Location: Goboboseb Mtns., Brandberg Dist., Erongo Region, Namibia
Location: North of Lake George, Colorado
Location: Democratic Republic of the Congo
Location: Mina Ojuela, Mapimi, Durango, Mexico
Location: Reward Mine, Inyo Co., California
Location: Fahler Quarry, Winfield, PA
