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UK | |
| Trevor Boyd specimen, now in Gerhard Niklasch's collection |
| Trevor Boyd Collection |
| Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102 Proceedings of Irish Societies The Irish NaturalistVol. 1, No. 5 (Aug., 1892), pp. 100-102 |
| Green, David I., Bell, R., Moreton, S. (2005) Drusy cavity minerals including the first Irish danalite from Lindsay’s Leap, Mourne Mountains, Co. Down. UK Journal of Mines and Minerals 25, 25-30 |
| Field observation by Stephen Callaghan |
| Seymour, H. J. (1900). V.–On the occurrence of a Blue Amphibole in a Hornblende Kersantite from Co. Down. Geological Magazine, 7(6), 257-260. doi.org/10.1017/S0016756800176897 |