|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Sphalerite on Prehnite and Calcite
|Sphalerite on Prehnite and Calcite
|Millington Quarry, Bernards Township, Somerset County, New Jersey
|Rare 12 mm(!) sphalerite crystal on lustrous transparent green prehnite crystals to 2 mm in fan-shaped aggregates with a colorless 14 mm calcite crystal. The sphalerite crystal appears black, but exhibits dark yellow transparency when side-illuminated. Collected in 1990s by Prof. Martin Becker, author of Recent Mineral Finds at the Millington Quarry in Rocks and Minerals v.73 #5
|For reference only
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