Prehnite casts after Anhydrite with Calcite doubly terminated Quartz and Sphalerite

Quartz and Sphalerite

A wonderful single crystal of Bournonite showing BRIGHT metallic luster

3 cm and the main Smoky Quartz group measures 3

with only a few contacts here and there

but it's still good quality with a beautiful orange color and contrasting black "phantoms" when backlit

Prehnite casts after Anhydrite with Calcite doubly terminated Quartz and SphaleriteWonderfully gemmy, spherical light green Prehnite casts after Anhydrite with several, off white color, gemmy scalenohedral Calcite crystals. A few of the Calcites are twinned, and for the most part, the piece is great shape from the standpoint of quality. The Prospect Park Quarry is arguably the most famous mineral producing basalt quarry in New Jersey and, for over a century, has provided collectors with impressive display specimens, including some