Prehnite finger cast after Anhydrite

Prehnite finger cast after AnhydriteSeveral lustrous, gemmy, well crystallized, pleasing green color finger shaped and spherical aggregates of Prehnite which have replaced preexisting Anhydrite. The underside of the specimen shows the hollow, striated cavities where the once preexisting Anhydrite once grew. Good shape overall, and worthwhile for the size and price. The Prospect Park Quarry is arguably the most famous mineral producing basalt quarry in New Jersey and, for over a century,

All of the twins are in excellent condition with no major damage that I can see with the naked eye

A pair of eye-catching

thin bladed crystals with a rich fiery golden-orange hue associated with WATER CLEAR Quartz crystals free of matrix

During the latter half of 2010

cuboctahedra of silvery Galena associated with small striated pyritohedra of golden Pyrite

crystallized examples like this

dark brown color twinned pair of crystals of Baddeleyite from a discovery in 2009

crystallized specimens of Valentinite are few and far between on the market

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

Specimen # BOL711B300

We all know that Rhodochrosite is a favorite species of collectors

Great condition overall and it’s not often one sees such a fantastic blocky twinned crystal of Vivianite like this