Photograph of the right side of stone roughout (ISAP 09159) from White Park, Co. Antrim, from the Ulster Museum (UM 3781R 25:21). Macro-ID - Porcellanite Petrology - Dark grey yellow, streaked in veins, coarse banded mottled. Description - Adze/axe roughout. Flaked all-over. Blad
Roughout | Porcellanite