| 10828: Gypsum and Calcite - $8 Prospect Park Quarry, Prospect Park, Passaic County, New Jersey Miniature - 5.9 x 4.5 x 2.2 cm 34 grams Specimen status: Available Send an email with specimen number to order A group of dark, lenticular gypsum
crystals sprouts from the middle of a carpet of small
calcite points. The gypsum is partially overgrown by an
unidentified, microcrystalline mineral.
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