Hematite. From Wheal Ruby, St Austell, Cornwall. Richard Barstow collection. 

Pyrhhotite with quartz and chalcopyrite. From Great Onslow Consols, St Breward, Cornwall. James Wickett collection.

Pyromorphite on quartz. Wheal Rose, Sithney, Cornwall. Philip Rashleigh collection.

Pharmacosiderite with limonite. From Wheal Muttrell, St Day, Cornwall.

Siderite on quartz. From Fowey Consols, Tywardreath, Cornwall. 

Goethite. From Trinity (Restormel Royal Iron Mine), Lostwithiel, Cornwall. 

Goethite. From Trinity (Restormel Royal Iron Mine), Lostwithiel, Cornwall.

Pharmacosiderite. From Tryphena Lode, Pendarves Mine, Camborne, Cornwall. Richard Barstow collection.

Hematite. From Tincroft Mine, Illogan, Cornwall. Philip Rashleigh collection. 

Goethite banded with quartz. From Trinity (Restormel Royal Iron Mine), Lostwithiel, Cornwall.

Siderite in quartz and hematite. From Cook’s Kitchen, Illogan, Cornwall. James Wickett collection. 

Siderite. From Carn Brea Mine, Illogan, Cornwall.

Galena in sphalerite. From Besore Mine, Gloweth, Cornwall. Richard Barstow collection. 

Siderite in quartz and chalcopyrite. From Wheal Towan, Porthtowan, Cornwall.