Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
Comments
Grotta d\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'Oggi quarry - Isola Elba is the type localite for this mineral. It has been found up to now in several quarries (all closed) on Isola Elba and the Grotta d\\\\\\\\\\\\\\