Prehnite casts after Anhydrite with Calcite doubly terminated Quartz and Sphalerite

Quartz and Sphalerite

with only a few contacts here and there

3 cm and the main Smoky Quartz group measures 3

These days

Here is a great old locality specimen of Vivianite from the Siglo XX mine in Bolivia

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