Colourless Collection

Bournonite with Quartz, Herodsfoot Mine, Lanreath, Cornwall, England
Steel-grey twinned bournonite crystals, in distinctive cog wheel formation, with colourless quartz. This fine specimen from the lead and silver mine, Herodsfoot

Chalcopyrite with Quartz and Minor Sphalerite, United Kingdom
This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 7, Figure 3) which states Is yellow copper ore

Galena, Sphalerite, Bitumen and Fluorite, Ashover, Derbyshire, England
Grey galena, brown sphalerite, black bitumen and colourless fluorite. Collector Philip Rashleigh wrote in his mineral catalogue

Galena, Earl Ferrers Mine, Staunton Harold, Leicestershire, England
Reticulated mass of grey galena on top of octahedral crystals of galena with colourless calcite and brassy yellow chalcopyrite, on pink baryte

Galena and Quartz, Derbyshire, England (Uncertain Locality)
Reticulated grey galena with colourless quartz crystals. Galena is the primary ore mineral of lead

Galena with Sphalerite, Staunton Harold, Leicestershire, England
Grey galena with black clusters of sphalerite, colourless calcite and brassy yellow chalcopyrite on pink baryte and brown dolomite

Chalcopyrite with Calcite and Galena, Staunton Harold, Leicestershire, England
Brassy yellow chalcopyrite crystals on colourless scalenohedral calcite crystals (dog tooth spar) with metallic grey galena on limestone

Copper with Quartz, South Caradon Mine, St Cleer, Cornwall, England
Copper with crystalline quartz. Most Cornish copper specimens are dull, but native copper (pure copper, uncombined with any other elements) from Caradon is invariably bright

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