Micromounts Northern & Southern Ireland...........Updated 21 May 2018
277 ARSENOPYRITE - Dhurode, Mizen Peninsula, Co. Cork, Ireland Silvery rhombic Arsenopyrite crystalsembedded in and protruding from quartz matrix 1.00 1.50p 2 2
278 AZURITE - Tynagh Mine, Loughrea, Co. Galway, Ireland Bright deep blue Azurite crystals in barytes or gossan matrix +/- Mimetite, Malachite 1.00 1.50p 2.00 1 6 2
283 CHALCOPYRITE - Gortdrum Mine, Tipperary, Co. Tipperary, Ireland Bronzy, lightly tarnished modified tetrahedral Chalcopyrite in a cavity in Dolomite matrix plus some tiny red Cinnabar crystals 1.50p 1
284 CHALCOPYRITE & DOLOMITE - Gortdrum Mine, Tipperary, Co. Tipperary, Ireland SOLD Bronze coloured lightly tarnished modified tetrahedral Chalcopyrite crystals scattered over white rhombic Dolomite crystals on matrix . .
285 COWLESITE - Craighill Quarry, Ballyclare, Co. Antrim, Northern Ireland SOLD Cavities in matrix lined with spherical aggregates of minute Cowlesite crystals with some small colourless Chabazite crystals . .
1197 GMELINITE-Na - Magheramourne Quarry, Larne, Co. Antrim, Northern Ireland One of my favourite minerals. Cavities in basalt filled with colourless "sceptre" Gmelinite crystals 1.00 1
287 LEVYNE - Browns Bay, Islandmagee, Co. Antrim, Northern Ireland Whitish thin tabular hexagonal Levyne crystals in cavities in basalt matrix 1.50p 2.00 2 1
289 NATROLITE - Little Deer Park Quarry, Glenarm, Co. Antrim, Northern Ireland Whitish Natrolite crystals on tan Gmelinite-Ca crystals in cavity in basalt matrix 1.50p 1
290 SPINEL - Carneal Plug, Glenoe, Co. Antrim, Northern Ireland SOLD Tiny black octahedral Spinel xtls in matrix . .
291 STRONTIANITE - Castlebar (Moneen) Quarry, Castlebar, Co. Mayo, Ireland Sprays of clear spiky Strontianite xtls in cavities in Calcite on limestone matrix 50p 1
292 SULPHUR - Sheefry Mine, Cuilmore, Co. Mayo, Ireland Patches of tiny pale yellowish-green Sulphur xtls on galena/chalcopyrite matrix 50p 3