Prehnite finger cast after Anhydrite blue At the Tucson Show in

At the Tucson Show in 2020

With moderate backlighting

It is renowned for its superb Chalcopyrite specimens

The base of the specimen shows some minor associated Smoky Quartz

from one of the most famous localities for the species

Prehnite finger cast after Anhydrite blue At the Tucson Show inA classic, single finger shaped cast of Prehnite after Anhydrite with good luster on the display side, and a slight coating of a secondary clay mineral on the back. The underside of the piece shows the square cross section of the once preexisting Anhydrite crystal that was the base for the cast. 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