Photograph of the right side of stone axe (ISAP 00043) from Ballintoy, Co. Antrim, from the National Museum of Ireland (NMI 1897:316). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ia. Petrology - Very dark grey, mottled coarsely - microdiorite type. Description - Sides flatte
Axe | Porcellanite