Childrenite. From George and Charlotte Mine, Morewellham, Cornwall. Richard Barstow collection.

Childrenite with pyrite on quartz. From George and Charlotte Mine, Morewellham, Cornwall. 

Stokesite with albite and orthoclase. From Halvasso Quarry, Longdowns, Mabe, Cornwall. Richard Barstow collection. 

Fluorapatite crystals on albite crystals. From Chywoon Quarry, Longdowns, Mabe, Cornwall. N.P. Talbot collection. 

Liskeardite. From Penberthy Crofts, St Hilary, Cornwall. Richard Barstow collection. 

Fluorapatite with quartz, feldspar, pyrites and minor chlorite. From Great Lead Mines, Helston, Cornwall. Philip Rashleigh collection.  

Neotocite. From Wheal Owles, St Just in Penwith, Cornwall. 

Grossular garnet crystal on matrix. From a quarry in the parish of Lostwithiel, Cornwall. 

Arthurite with scorodite and arsenopyrite. From Hingston Down Consols, Gunnislake, Cornwall. Richard Barstow collection. 

Ludlamite in cavity in quartz. From Wheal Jane, Kea, Cornwall. P. Lowe collection. 

Clusters of cronstedtite with cacoxenite and quartz. From Wheal Jane, Kea, Cornwall. Richard Barstow collection. 

Fluorapatite on feldspar matrix. From Megiliggar Rocks, Tremearne, Breage, Cornwall. N.P. Talbot collection. 

Beudantite. From Wheal Carpenter, Gwinear, Cornwall. Richard Barstow collection.  

Bayldonite (deep green crust) on quartz. From Penberthy Crofts, St Hilary, Cornwall. M. Merry collection. 

Chalcocite. From Gwennap, Cornwall.

Allophane. From Garras Mine, Kenwyn, Cornwall. 

Allophane. From South Garras Mine, Kenwyn, Cornwall. 

Rhabdophane. From Haytor Mine, Fowey Consols, Tywardreath, Cornwall. A.W.G. Kingsbury collection.  

Topaz with coarse mica and quartz on granite. From St Michael’s Mount, Cornwall.  

Chalcedony pseudomorphous after datolite. From Ilsington, Devon. James Wickett collection. 

Millerite with dolomite. From Gerrans Bay, Cornwall. J.H. Collins collection. 

Cyrilovite with dufrenite and chalcosiderite. From Gunheath Clay Pits, Carthew, Cornwall. Maurice Grigg collection. 

Fluorapatite crystals and quartz on gilbertite with feldspar and quartz. From Colcerrow Quarry, Luxulyan, Cornwall. 

Almandine (impure) dodecahedra on ‘slate’. From Botallack Mine, St Just, Cornwall. 

Carbonate-fluorapatite with fluorite. From Holmbush Mine, Stoke Climsland, Cornwall. 

Quartz. From Wheal Jane, Kea, Cornwall. Richard Barstow collection. 

Massive zwieselite with triplite and loellingite in pegmatite matrix. From Megiliggar Rocks, Tremearne, Breage, Cornwall. N.P. Talbot collection. 

Vivianite on fluorite and siderite. From Wheal Kine, St Agnes, Cornwall. H. Peters collection. 

Andalusite in altered granite. From Wheal Coates, St Agnes, Cornwall. J.H. Collins collection. 

Garnet crystals on hornblende. From Smallacombe Iron Mine, Illsington, Devon. J.H. Collins collection.  

Tiny needle-like crystals of blue vivianite on soft yellow iron oxide. From Treamble Mine, Perranzabuloe, Cornwall. 

Vivianite with cronstedtite and cacoxenite. From Wheal Jane, Kea, Cornwall. 

Dodecahedra crystals of almandine garnet on hornblende slate. From Botallack Mine, St Just in Penwith, Cornwall. James Wickett collection

Childrenite. From Crinnis Beach, St Austell, Cornwall. Richard Barstow collection. 

Arthurite on greisened granite. From Hingston Down Consols, Gunnislake, Cornwall.