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Black crystals of sphalerite with minor chalcopyrite and calcite
Black crystals of sphalerite with minor chalcopyrite and calcite
Sphalerite fluorescing under ultraviolet light. (Sternberg Museum of Natural History, Kansas, USA)
Sphalerite fluorescing under ultraviolet light. (Sternberg Museum of Natural History, Kansas, USA)
Faceted sphalerite, known by the name of Étoile des Asturies, one of the largest in existence. It actually comes from the Aliva mine, Cantabria (Spain
Faceted sphalerite, known by the name of Étoile des Asturies, one of the largest in existence. It actually comes from the Aliva mine, Cantabria (Spain). Cantonal Museum of Geology of Lausanne.
Sphalerite and barite from Cumberland Mine, Tennessee, USA
Sphalerite and barite from Cumberland Mine, Tennessee, USA
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Pyrite
Pyrite
Stibnite
Stibnite
Realgar
Realgar