Marcasite

Photographed by Michael P. Klimetz

CZECH REPUBLIC

Calcite

Marcasite

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

Photographed by Michael P. Klimetz

[Intergrown Crystals on Massive]

Shullsberg

Lafayette County

WISCONSIN

Photographed by Michael P. Klimetz

[Crystals on Dolostone]

KANSAS