AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Calcite on Prehnite with (Pyrrhotite?)

Calcite on Prehnite with (Pyrrhotite?) from Millington Quarry, Bernards Township, Somerset County, New Jersey

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 79830
Mineral:	Calcite on Prehnite with (Pyrrhotite?)
Locality:	Millington Quarry, Bernards Township, Somerset County, New Jersey
Description:	Unusually large 25 mm rhombohedral calcite crystal on pale-green prehnite with bronze-colored metallic platy crystals, tentatively identified as pyrrhotite based on the platy habit. The calcite crystal is transparent yellow-gray, and fluoresces under UV. Collected in 1990s by Prof. Martin Becker, author of Recent Mineral Finds at the Millington Quarry in Rocks and Minerals v.73 #5
Overall Size:	6x5.5x4 cm
Crystals:	25 mm
Archived:	For reference only

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