Although Ireland is reletively small it has a diverse geology that has a good range of mineral deposits. Since 1960, 14 Zinc-lead deposits have been discovered. Ireland is ranked first in the world in terms of zinc that has been discovered by km^2, and second to lead. Zinc-lead ores are also currently exploited from two other underground operations in south-central Ireland: Lisheen and Galmoy. 
In addition to metal mining, Ireland has a long heritage of coal and mineral mining. The minerals "gypsum" and "brick shale" are currently worked from open pit operations in Co. Cavan, while "dolomite" and "fireclay" two other minerals are utilized from two different places in Co. Kilkenny. Other industrial minerals that have been found recently in Ireland include barite, dimension stone, phosphate, silica sand and slate. During the 80's, Ireland was one of the top 5 producers of "barite" in the world.
Today, because of such high demand for road and building construction in Ireland, the mining industry is extremely busy. Sand, rock, and gravel are exploited from over 400 sites in Ireland.
In addition to all the resources you named, in the last few years exploration has been undertaken for diamonds and other gemstones associated with Pre-Cambrian rocks in Donegal, in the northern most part of Ireland. For what I am reading in all the class blogs, diamonds are more common that I thought...mmm [http://www.mineralsireland.ie/Geology+and+Mineral+Potential/]
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