Phillipsite Subgroup from selected localities.
UK | |
| Walker, G.P.L. (1959) The amygdale minerals in the Tertiary lavas of Ireland. II. The distribution of gmelinite. Mineralogical Magazine: 32(246): 202-217. |
| Foy, H. (1994). Gobbinsite from Magheramorne Quarry, Northern Ireland. Mineralogical Magazine, 58, 615-620. |