13hlkm.g ((BYSSOLITE)), $15 MINIMUM BID, Keystone Trap Rock Quarry, Chester County, Pennsylvania, 5 x 4 x 3 cm, Miniature | |
Here is a brillo pad of needle like Byssolite crystals grey green color with some brown from iron oxide from Goethite ps Pyrite. Also small white Adularia. Pennsylvania locality now a water filled Quarry pond |