Prehnite finger cast after AnhydriteA 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

as is the case with the majority of Ferberites from Tasna

blue color cubic crystal of this hard-to-find species on matrix

Specimen # BOL711B63

Specimen # BOL711B23

When these world-class Fluorites were discovered

lustrous blades measuring up to 1

and a partial termination on the other end where it appears to have grown against the pocket wall

The piece is in great condition

I'm going to refer to it as Liddicoatite

vibrant purplish pink color doubly terminated TWINNED crystal aesthetically sitting on Feldspar matrix

well-formed faces on the piece

crystallized cabinet sized Coppers from this area are amongst the most desirable of all native elements for collectors