Photograph of cross polarised thin section of stone adze/axe (ISAP 09056) from White Park, Co. Antrim, from the Ulster Museum (UM 3783C25:32). Macro-ID - Porcellanite Petrology - Dark grey, evenly streaked, fine to coarse mottled. Description - Sides. Both narrow and flattened to
Adze/Axe | Porcellanite
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Scanned drawing of stone adze/axe (ISAP 09056) from White Park, Co. Antrim, from the Ulster Museum (UM 3783C25:32). Macro-ID - Porcellanite Petrology - Dark grey, evenly streaked, fine to coarse mottled. Description - Sides. Both narrow and flattened towards blade and butt, round
Adze/axe | Porcellanite
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Scanned drawing of stone adze/axe (ISAP 03590) from Crumlin, Co. Galway, from the National Museum of Ireland (NMI 1936:3484). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ic. Petrology - Grey brown, coarse densely lineated nodular light grey streaked. Description - Sides - Bo
Adze/Axe | Porcellanite
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Scanned drawing of stone adze/axe (ISAP 12866) from Tardree, Co. Antrim, from the Ulster Museum (UM WM 1810). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ia. Petrology - Light grey, fine to coarse densely lineated streaked. Description - Sides - both pointed, junction of sid
Adze/axe | Porcellanite
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Scanned drawing of stone adze/axe (ISAP 03219) from Ballynahinch, Co. Down, from the National Museum of Ireland (NMI 1932:5068 (RIA)). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ia. Petrology - Grey, 40% < 7mm euhedral mullite rimmed foliated haematite porphs, coarse mottle
Adze/axe | Porcellanite
Image
Photograph of polarised thin section of stone adze/axe (ISAP 03590) from Crumlin, Co. Galway, from the National Museum of Ireland (NMI 1936:3484). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ic. Petrology - Grey brown, coarse densely lineated nodular light grey streaked. Des
Adze/Axe | Porcellanite
Image
Photograph of cross polarised thin section of stone adze/axe (ISAP 03590) from Crumlin, Co. Galway, from the National Museum of Ireland (NMI 1936:3484). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ic. Petrology - Grey brown, coarse densely lineated nodular light grey streake
Adze/Axe | Porcellanite
Image
Photograph of polarised thin section of stone adze/axe (ISAP 11064) from Belfast, Co. Antrim, from the Ulster Museum (UM 1934:148). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Light grey, lightly grey lineated streaked, evenly fine foliated mottled. Descripti
Adze/Axe | Porcellanite
Image
Photograph of cross polarised thin section of stone adze/axe (ISAP 11064) from Belfast, Co. Antrim, from the Ulster Museum (UM 1934:148). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Light grey, lightly grey lineated streaked, evenly fine foliated mottled. Des
Adze/Axe | Porcellanite
Image
Scanned drawing of stone adze/axe (ISAP 11064) from Belfast, Co. Antrim, from the Ulster Museum (UM 1934:148). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Light grey, lightly grey lineated streaked, evenly fine foliated mottled. Description - Sides - both thi
Adze/Axe | Porcellanite
Image