Tre Croci, Vetralla, Vico Lake, Viterbo Province, Latium, Italy

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Tre Croci, Vetralla, Lago di Vico, 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.

Refs.:
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.

Mineral List

Afghanite 'Albite-Anorthite Series' 'Apatite' Asbecasite Baddeleyite Biotite Britholite-(Ce) Calcite Ciprianiite (TL) 'Clinopyroxene Subgroup' Cryptomelane

Danburite Fluorite 'Guarinite' Hellandite-(Ce) Homilite 'Hornblende' Hydroxylapatite Magnetite Mottanaite-(Ce) Muscovite Nosean

'Phillipsite' Phlogopite Piergorite-(Ce) (TL) Pollucite 'Pyrochlore Supergroup' var: Betafite (of Hogarth 1977) Rutile Sanidine Sodalite Stillwellite-(Ce) Tadzhikite-(Ce)

Thorianite Thorite Titanite 'Tourmaline' Tuscanite Uraninite var: Thorian Uraninite Vicanite-(Ce) (TL) Vishnevite Vonsenite Zircon Zirconolite

44 entries listed. 33 valid minerals. 3 type localities (valid minerals).