Galena, Dolomite & Marcasite
Locality: Sweetwater Mine, Ellington, Reynolds Co., Missouri, USA
Hematite and Limonite after Marcasite and Pyrite $15 6.8 x 1.6 x 2.3 cm
Locality: White Desert, Egypt
Marcasite, Trepca Stan Terg mine
Locality: Trepca
Calcite, Marcasite
Locality: Linwood Mine, Buffalo, Scott Co., Iowa, USA
Marcasite, Galena
Locality: Mid-Continent Mine, Tri-State District, Treece, Cherokee County, Kansas, USA
Iridescent Marcasite on Calcite
Locality: Santa Barbara
Goethite psd. Marcasite
Locality: White Desert, Farafra Oasis, New Valley Governorate, Egypt
Calcite and Marcasite
Locality: Linwood Mine, Iowa, USA
Marcasite on Calcite
Locality: Sweetwater Mine, Ellington, Reynolds Co., Missouri, USA
Fluorite inc Marcasite
Locality: Cavendish Mill, Stoney Middleton, Derbyshire Dales District, Derbyshire, England, UK
Fluorite, Baryte & Marcasite
Locality: Ladywash Mine, Eyam, Derbyshire, England, UK
Marcasite in Calcite with Pyrite
Locality: Brushy Creek Mine, Reynolds Co., Missouri
Marcasite, Siderite & Calcite
Locality: Los Blancos Quarry, Llano del Beal, Sierra Minera de Cartagena-La Unión, Cartagena, Murcia, Spain