Francolite, a Variety of Apatite from Levant Mine, St. Just, Cornwall
- 1 December 1886
- journal article
- Published by Mineralogical Society in Mineralogical Magazine and Journal of the Mineralogical Society
- Vol. 7 (33), 57-58
- https://doi.org/10.1180/minmag.1886.007.33.02