Grouse Lodge Quarry, Ardagh, Limerick County, Munster, Ireland
Porous, iron-stained white koninckite. 45 X 30 mm.
© Dr Stephen Moreton
Thin coating on shale. 60 X 35 mm.
Wavellite on black shale. 12 X 6 cm.
Mammillated coating on shale. 4 X 3 cm.
Wavellite on black shale. 14 X 6 cm.
Blue-green coating of wavellite on black shale. Specimen measures 24mm in height.
© Dr Richard Unitt