Prehnite finger cast after Anhydrite Diopside the Prehnites can sometimes leave

the Prehnites can sometimes leave unique finger-shaped casts

A very attractive and hard to find display specimen that would make a great addition to a Calcite suite or a collection of Colorado minerals

Hopeite is truly only known from a few world localities in fine crystallized specimens

save a few rough spots on the back where it detached from the pocket

Item # CITBRAZ1534

Prehnite finger cast after Anhydrite Diopside the Prehnites can sometimes leaveA small miniature sized specimen of Prehnite after Anhydrite comprising finger shaped casts and balls with decent luster, gemminess and color. The piece has a light coating of a secondary clay mineral but does display well from several angles. A nice representative piece from this famous 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