Prehnite finger cast after Anhydrite cyclic twin The piece is complete and

The piece is complete and undamaged all around and the lovely antique patina on the surface gives it character

crystallized examples but large display specimens to boot

Then a second deposit of Native Copper arrived

but it is a great display piece featuring a radial "spray" of sharp

It features brownish areas of the uncommon phosphate

Prehnite finger cast after Anhydrite cyclic twin The piece is complete andA pair of classic finger shaped casts 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 crystals that were 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