Prehnite finger cast after Anhydrite Ferberite and this beautiful multicolored gem

and this beautiful multicolored gem crystal is no exception

No damage and incredibly eye-catching

the Opals themselves are colorless

cream-colored Dolomite rhombs

Prehnite finger cast after Anhydrite Ferberite and this beautiful multicolored gemA 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