Little excavations were locally performed in the past years to dig out Mn minerals, mainly braunite. This mineralization is hosted in liassic Marble formation and it is associated with the presence of calcschists levels interbedded in the marble.
Located near Colonnata.
References:
-Di Giovanni F., 1981. I minerali di Monte Brugiana, Massa. Riv. Mineral. Ital., 5: 67-70
-Bonazzi P., Garbarino C., Menchetti S., 1992. Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy. European Journal of Mineralogy: 4: 23-33.
-Mancini, S. (2000). Le mineralizzazioni a manganese delle Alpi Apuane. Tesi di laurea inedita, Università di Pisa.
Mineral List:24 entries listed. 18 valid minerals.
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