Lava tube. Some minerals have subsequently dissolved.
References:
Forti, P., Giudice, G., Marino, A., Rossi, A., 1994, La Grotta Cutrona (MC1) sul Monte Etna e i suoi speleotemi metastabili: Atti Congresso Regionale di Speleologia, Catania, p.125–151.
www.cse.speleo.it
Paolo Forti - Genetic processes of cave minerals in volcanic environments: An overview. Journal of Cave and Karst Studies, v. 67, no. 1, p. 3-13.
Mineral List:11 entries listed. 11 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
