Graphite from Scotland, UK
UK | |
| Gunn, A. G., Shaw, M. H. (1992) Platinum-group elements in the Huntly intrusion, Aberdeenshire, north-east Scotland. Mineral Reconnaissance Programme Report 124. British Geological Survey |
| F. Rutley: "Elements of Mineralogy", 12th Ed. (1900) |
| Heddle, M.F., Goodchild, J.G. (1901) The mineralogy of Scotland. Edinburgh. 247 pgs (78). |
| Render, Paul (n.d.) Paul Render Collection. |