|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Sphalerite on Prehnite with Calcite
|Sphalerite on Prehnite with Calcite
|Millington Quarry, Bernards Township, Somerset County, New Jersey
|Many lustrous black sphalerite crystals up to 1.5 mm on hemispherical translucent green prehnite with transparent scalenohedral colorless calcite crystals to 8 mm. Sphalerite, a sulfide, is uncommon in NJ zeolite cavities.
|For reference only
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