Prehnite finger cast after Anhydrite Michigan undamaged Brookite thumbnails like this

undamaged Brookite thumbnails like this from any locality

A very attractive larger Spinel crystal from this historic locality in southeast Asia

nearly every crystal on this specimen is undamaged

whitish color scalenohedra of Calcite along the edge of the specimen

Prehnite finger cast after Anhydrite Michigan undamaged Brookite thumbnails like thisA beautiful miniature sized specimen with a central finger shaped cast with good luster, color and gemminess. The piece is associated with a few off white colored Calcite scalenohedra. Good quality for the material, and a worthwhile specimen from this fantastic discovery. 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,