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Piedras Negras

Site namePiedras Negras
Major commoditiesStrontium
Ore minerals/materialsCelestite
Gangue minerals/materialsBarite, Calcite, Clay, Fluorite, Gypsum
CountryMexico
StateCoahuila De Zaragoza
Latitude27
Longitude-102.1166

Source: United States Geological Survey Mineral Resources Program


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