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Pumice (Dry)

Copyright/attribution: Natural History Museum, London

Copyright/attribution: National Museum of Ireland - Natural History

Description

Notes: Fragment of basaltic pumice, with circular vesicles. Crystals of plagioclase and other minerals can be observed.

Citations: Deep Sea Deposits, Report of the Scientific Results of the Exploring Voyage of HMS Challenger 1873-1876. Plate 1, Figure 8