- Calcite, Prehnite, Chalcopyrite
- Small Cabinet, 6.4 x 3.4 x 3.3 cm
- Millington Quarry (Morris County Crushed Stone Co. Quarry; Tilcon Quarry), Bernards Township, Somerset Co., New Jersey, USA
Light golden, shimmering rhomb of calcite perched on botryoidal light green prehnite. The areas of dark color are contributed by chalcopyrite. The calcite measures 2.6 cm across.