Sphalerite
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Sphalerite is a sulfide mineral with the chemical formula S. It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mis
Black crystals of sphalerite with minor chalcopyrite and calcite
Sphalerite fluorescing under ultraviolet light (Sternberg Museum of Natural History, Kansas, US)
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, US
Sedimentary exhalative deposits are zinc-lead deposits originally interpreted to have been formed by discharge of metal-bearing basinal fluids onto the seafloor resulting in the precipitation of mainl
Banded massive sulfide (silver-lead-zinc ore) from the SEDEX Sullivan deposit in British Columbia, Canada (Mesoproterozoic, 1470 Ma) showing apparent soft-sediment deformation (field of view: about 3.9 cm across)
Banded ore with chalcopyrite, galena, sphalerite, pyrite from the SEDEX Rammelsberg deposit, Germany
Banded massive sulfide (silver-lead-zinc ore) from the Sullivan Mine, British Columbia, showing apparent soft-sediment deformation. Sullivan mineralization is interpreted to be related to exhalative seafloor deposition.