Minerals from Mid-Atlantic, USA

Pyrite on Calcite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on Chalcopyrite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on Chalcopyrite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on Magnetite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on Magnetite with Actinolite var. Byssolite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on Magnetite with Actinolite var. Byssolite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite on marble matrix from Barges Quarry, Lexington, Virginia

Pyrite on Quartz from Millington Quarry, Bernards Township, Somerset County, New Jersey

Pyrite on Stilbite from Cornwall Mine, Cornwall, Pennsylvania

Pyrite on Stilbite from Cornwall Iron Mine, Lebanon County, Pennsylvania

Pyrite on Stilbite from Cornwall Iron Mines, Cornwall, Lebanon County, Pennsylvania

Pyrite on Stilbite from Cornwall Iron Mines, Cornwall, Lebanon County, Pennsylvania

Pyrite on Stilbite from Kibblehouse Quarry, Perkiomenville, Montgomery County, Pennsylvania

Pyrite on Stilbite from Cornwall Iron Mines, Cornwall, Lebanon County, Pennsylvania

Pyrite over Magnetite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite with Calcite and Magnetite from French Creek Iron Mine, St. Peters, Pennsylvania

Pyrite with Chalcopyrite from Grace Mine, Morgantown, Berks County, Pennsylvania

Pyrite with minor Magnetite from Cornwall Iron Mines, Cornwall, Lebanon County, Pennsylvania

Pyrite with Sphalerite from French Creek Iron Mine, St. Peters, Chester County, Pennsylvania

Pyrite, Actinolite, Diopside from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite, Magnetite, Chalcopyrite, Actinolite var. Byssolite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrite, Magnetite, Chalcopyrite, Actinolite, Calcite from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Pyrolusite from Centre County, Pennsylvania

Pyrolusite from Centre County, Pennsylvania

Pyromorphite from Brookdale Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Chester County Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Perkiomen Mine, Montgomery County, Pennsylvania

Pyromorphite from Perkiomen Mine, Montgomery County, Pennsylvania

Pyromorphite from Perkiomen Mine, Montgomery County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite from Southwest Chester County Mine, Phoenixville, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Prospect #2 south of the Brookdale Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite from Brookdale Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Perkiomen Mine, Montgomery County, Pennsylvania

Pyromorphite from Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Old Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite from Phoenixville, Chester County, Pennsylvania

Pyromorphite and Anglesite from Phoenixville District, 1/4 mile southwest of William's Corner, Chester County, Pennsylvania

Pyromorphite and Galena from Phoenixville, Chester County, Pennsylvania

Pyromorphite and Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite and Quartz on Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite and Vauquelinite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite and Wulfenite on Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Cerussite-Anglesite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Brookdale Mine, Phoenixville, Pennsylvania

Pyromorphite on Quartz from Brookdale Mine, Phoenixville, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Southwest Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Southwest Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite on Quartz from Southwest Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite on Quartz pseudomorphic molds after Barite from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite over Galena with Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite over Quartz from Wheatley Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite over Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania

Pyromorphite with Cerussite from Phoenixville District, Chester County, Pennsylvania

Pyromorphite with Pyrophyllite from Allah Cooper (Valcooper) Mine, Contrary Creek District, near Mineral, Louisa County, Virginia

Pyromorphite with Quartz from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite with Wulfenite from Wheatley Mine, Phoenixville, Pennsylvania

Pyromorphite with Wulfenite from Wheatley Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite with Wulfenite from Southwest Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite with Wulfenite from Southwest Chester County Mine, Phoenixville, Chester County, Pennsylvania

Pyromorphite with Wulfenite on Quartz from Brookdale Mine, Phoenixville District, Chester County, Pennsylvania