Quartz coated in hematite. From Geevor Mine, St Just in Penwith, Cornwall. M. Mount collection. 

Quartz. From St Agnes, Cornwall. 

Capped Quartz. From Virtuous Lady Mine, Buckland Monachorum, Devon. James Wickett collection. 

Morion Quartz. From St Stephen in Brannel, Cornwall. 

Chalcedony on killas. From Pednandrea United Mine, Redruth, Cornwall. Philip Rashleigh collection. 

Calcite with siderite on quartz. From Levant Mine, St Just in Penwith, Cornwall. James Wickett collection. 

Chalcedony. From Trevascus Mine, Gwinear, Cornwall.