Prehnite finger cast after Anhydrite Cerite and the faces on the

and the faces on the Magnetite crystals are rather smooth and shiny

Quartz and Sphalerite

This piece was mined around 2000 and is one of the better Spinels from the collection of my father

These are very well-formed crystals and are only very slightly skeletal or hoppered

the word copal is used to describe a hardened resinous substance which is found in an intermediate stage of hardening and polymerization between softer / "gummier" resins and amber

Prehnite finger cast after Anhydrite Cerite and the faces on theA 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