Pints Quarry - Raymond, Iowa

Raymond, Pints quarry, N of U.S. 20 in Raymond, large limestone quarry now closed and flooded;  Little Cedar and Coralville Formations with vugs: barite * (white, bladed),
calcite * (scalenohedral, rhombohedral, and nailhead crystals to 8 cm, yellow, amber, colorless, and included), fluorite * (amber to brown, cubic, fluorescent), galena, goethite, gypsum, hematite (coatings), marcasite * (twins, rosettes, hairlike inclusions), pyrite * (octahedra, striated cubes), quartz (drusy, in nodules), sphalerite, wurtzite (Anderson and Stinchfield 1989).