Prehnite finger cast after Anhydrite Ferberite cream-colored Dolomite rhombs

cream-colored Dolomite rhombs

It goes without saying that specimens of Phosphophyllite with crystals this size can be exceptionally pricey in some cases

the Opals themselves are colorless

but you don’t see pieces like this anymore

Specimen #VIVBOL81813

Prehnite finger cast after Anhydrite Ferberite cream-colored Dolomite rhombsA representative specimen of Prehnite fingers after Anhydrite with a darker green color, and a coating of a secondary clay mineral. Overall, the piece is actually in good condition, with a predominant finger flaring out of the center of the piece. The color in the photos is accentuated by the lighting we used to photograph the piece, but it is a bit more muted in person. The Prospect Park Quarry is arguably the most famous mineral producing basalt