Magnetic iron ore, Killin, Perthshire

Zollverein Mining Products - red iron ore, Willmanndsdorf, near Tauer

Zollverein Mining Products - Lower Devonian iron ore: sample of iron ore from Wingerwald, Niederfischbach, Germany

Zollverein Mining Products: sample of iron ore from Hornhausen Mine, Hornhausen, Germany

Zollverein Mining Products - sample of red iron ore, Upper Devonian, Huertus, Bredelar

Zollverein Mining Products: sample of red iron ore, Berglust, Rückershausen, Germany

Zollverein Mining Products - sample of brown iron ore from the Vulf Mine, Velbert, Germany

Zollverein Mining Products - sample of blackband, from the Adele Mine, Herde, Germany. Split into three pieces.

Zollverein Mining Products - sample of arsenical iron, Reicher Trust Mine, near Reichenstein

Zollverein Mining Products - sample of nickel pyrite, and nickeliferous copper, and iron pyrites, Hilfe Gottes Mine, near Nanzenbach, Germany

Iron ore: red hematite, iridescent. From Huelva, Spain

Copper and iron ores from Sand Lodge Mine, Sandwick Parish, Shetland - gossan-like brown iron ore with calcite