Miscellaneous Notices of Facts, connected with the Mineralogical, Geological and Economical History of the County of Cornwall (12):, IV. Gregorite (Menacchanite) discovered at Lanarth, J A Paris, I: 226, 1818.

Paris, A J

Transactions of the Royal Geological Society of Cornwall, Vol 1, p226 - 227

Miscellaneous Notices of Facts, connected with the Mineralogical, Geological and Economical History of the County of Cornwall (12):, IV. Gregorite (Menacchanite) discovered at Lanarth, J A Paris.