Very coarse quartz and muscovite vein
Description: Coarse crystals of quartz and muscovite. Some sub-hedral quartz crystals suggest the minerals crystallised in a vug/cavity. Some of the muscovite is associated with a black, fine powder (manganese?). Part of Dr Gerhard Bersu's 1940 excavation for manganese.
Taxonomic name: Manx Group: quartz and muscovite pegmatite
Collection: Natural History Geology Collection
ID number: 1966-0033/25