Galena, Bournonite, Quartz

Unknown Owner

Source volume: 43, issue: 4, PDF page: 72. Label: Figure 91. Colorless crystals of quartz replacing several tombstone-shaped baryte crystals, 10 cm, from the Herodsfoot mine. The green paper arrow indicates an area of bournonite now replaced by galena. Purchased by Henry Ludlam from Richard Talling (No. 129); Ludlam Collection, Natural History Museum, London (BM13735). Roy Starkey photo; copyright The Natural History Museum, London.