Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Iron Age stone sample
Square crystal of iron pyrite. Probably natural as it occurs in the local shale geology.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Square crystal of iron pyrite. Probably natural as it occurs in the local shale geology.