Gyrolite from selected localities.
UK | |
| Mineralogical Magazine 1962 33 : 187-201. |
| Walker, G.P.L. (1962) Garronite, a new zeolite, from Ireland and Iceland. Mineralogical Magazine: 33: 173-186. |
Walker, G. P. L. (1960). The amygdale minerals in the Tertiary lavas of Ireland. IV. The crystal habit of calcite. Min. Mag, 32, 609-618. | |
| Walker, G. P. L. (1960). The amygdale minerals in the Tertiary lavas of Ireland. IV. The crystal habit of calcite. Min. Mag, 32, 609-618. |