Malachite from selected localities.
||Rudler, F.W. (1905): A Handbook to a Collection of the Minerals of the British Islands, Mostly Selected from the Ludlam Collection. HMSO Publications (London), 241 pp.|
||Henwood, W.J. (1843): Transactions of the Royal Geological Society of Cornwall 5, 1-386; Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp.|