Cinnabar from the Northern Pennines, England
B. Young, P. R. Ineson, T. F. Bridges and M. E. Smith
British Geological Survey, Windsor Court, Windsor Terrace, Newcastle upon Tyne NE2 4HB
Department of Geology, University of Sheffield, Beaumont Building, Brookhill, Sheffield S3 7HF
10 Springfield, Ovington, Northumberland NE42 6EH
7 Orchard Close, Pocklington, York YO4 2EQ