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. This specimen is a fine example from the Earl Ferrers' Mines in Staunton Harold. Collector Philip Rashleigh wrote in his mineral catalogue: '167 Crystallised Lead Ore upon Solid Lead Ore and Calcareous Stone of a Redish Colour full of small grains of Copper Pyrites. This comes from Ld. Ferriss Mine, a Lime Work in Leicestershire r.r.r.'. Galena is the primary ore mineral of lead. Rashleigh Collection.
© RIC, photographer Roy Starkey