Sphalerite (Zinc Sulfide)

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Sphalerite (2).jpg
Sphalerite, Mexico; N 9336

Generally found as small, brown to reddish-brown crystals in Silurian dolomites in southern Ohio in the Serpent Mound zinc district. Sphalerite is also found in concretions in the Devonian-age Ohio Shale.

See Also