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Tre Croci, Vetralla, Vico volcanic complex (Vico Lake), Viterbo Province, Latium, Italy

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 42° North , 12° East (est.)
Margin of Error:~11km
Köppen climate type:Csa : Hot-summer Mediterranean climate
Name(s) in local language(s):Tre Croci, Vetralla, Complesso vulcanico di Vico (Lago di Vico), Provincia di Viterbo, Lazio, Italia

Miarolitic cavities in thermometamorphic ejecta from a pyroclastic formation of the Vico volcanic complex.
Host rock: High sanidine, plagioclase, clinopyroxene, clinoamphibole, magnetite, and biotite.

The correct locality where piergorite-(Ce), mottanaite-(Ce), muscovite and some other species occur, is "L'Ulivo" at Tre Croci di Vetralla.

Mineral List

Mineral list contains entries from the region specified including sub-localities

38 valid minerals. 3 (TL) - type locality of valid minerals.

Localities in this Region

  • Latium
    • Viterbo Province

This page contains all mineral locality references listed on 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Della Ventura, G., Bellatreccia, F., and Williams, C.T. (1999) Zr- and LREE-rich titanite from Tre Croci, Vico Volcanic complex (Latium, Italy). Mineralogical Magazine: 63: 123-130.
Pucci, R., Signoretti, E., and Lucci, F. (2013) Le tormaline del "Vicano". Il Cercapietre, 1-2, 29-55.

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