| Russell, Arthur (1946) On rhodonite and tephroite from Treburland manganese mine, Altarnun, Cornwall; and on rhodonite from other localities in Cornwall and Devonshire. Mineralogical Magazine and Journal of the Mineralogical Society, 27 (194) 221-235 doi:10.1180/minmag.1946.027.194.02 |
Lidcott Mine, Laneast, Launceston, Cornwall, England, UK