Latitude: 52°31'19"N
Longitude: 8°11'13"W
This open-cast copper mine discovered in 1963, worked from 1967-1975 is unique being the only mine in the British Isles to have produced mercury, albeit as a by-product. Most of this came from mercurian tennantite, but cinnabar crystals up to 2 mm have been found by collectors scouring the enormous dumps.
It is also home to the exceedingly rare gortdrumite and to the best tyrolite from the British Isles.
Grid ref: R870410
References
- M. J. Duane (1988): Genesis, mineralogy and geochemistry of uranium in the Gortdrum stratiform copper deposit, Ireland. Mineralium Deposita 23, 50-57.
Mineral List
30 entries listed. 26 valid minerals. 1 type locality (valid mineral).
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