(Cava di Vallerano, Valleranello, Roma, Lazio, Italia)
This quarry in early quaternary volcanic rocks classified as basaltic leucitite, with pyroxenes, melilite and nepheline. The lava contains a lot of minerals in its hydrothermal veins and geodes.
References:
- De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
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Map Reference: 41°47'4"N , 12°28'49"E
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Mineral List:31 entries listed. 24 valid minerals.
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