Iron arsenic sulphide (arsenopyrite)
Description: Arsenopyrite from a pegamatite vein. Anhedral, translucent quartz with muscovite mica and an anhedral, yellowish grey mineral (?arsenopyrite). Collected by donor when a museum student at Manx Museum 1969.
Measurements: 7cm
Taxonomic name: Foxdale granite: arsenopyrite
Collection: Natural History Geology Collection
ID number: 1970-0073