Marcasite — Gallery · Minerals.net

Aggregate of Marcasite crystals — Sweetwater Mine, Reynolds Co., Missouri

Coxcomb Marcasite Crystals — Galena, Cherokee County, Kansas

Marcasite Stalactite with Galena — Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Brassy Cockscomb Marcasite — Baxter Springs, Picher Field, Tri-State District, Cherokee Co., Kansas

Marcasite with Calcite — Blackstone Mine, Shullsberg, Wisconsin

Thin Bladed Marcasite Cluster — Rensselaer, Jasper County, Indiana

Nodular Marcasite Spheres — Starksville, Mississippi

Marcasite Parallel Growth Crystals — Komorany, Czech Republic

Brassy-Gold Tabular Marcasite — Flambrough Quarry, Dundas, Hamilton, Wentworth County, Ontario, Canada

Marcasite Ball in Crystals — Rome Street clay pits, Sayreville, Middlesex County, New Jersey

Iridescent Marcasite on Quartz — Mina Santa Rosa, Plateros, Zacatecas, Mexico