97hlkm.r ((PYRITE, CHALCOPYRITE)), $15 MINIMUM BID, French Creek Mines, St. Peters, Warwick Township, Chester Co., Pennsylvania, USA, 1.6 x 1.2 x 1 cm, Thumbnail | |
Iridescent Chalcopyrite with the two shiny triangles being octahedral Pyrite crystals from a classic Pennsylvanian locality, now housing developement, mounted in a perky box. |