| Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Alessandro Guastoni...Padova University, Via Gradenigo 6, 35131-I Padova, Italy; luciano.secco@unipd.it (L.S.); fabrizio.nestola@unipd...University, Via dei Vestini 31, 66100-I Chieti, Italy; m.schiazza@unich.it Correspondence: alessandro...Central Alps, Italy, pegmatite dikes are unique in the scenario of a tertiary alpine pegmatite field because...mineralogical niobium–yttrium–fluorine features. These pegmatites contain AB2 O6 aeschynite group minerals and | | | Book | with some smaller amounts of a darker mineral. Pegmatites are very coarse-grained. Granites are usually...geological features, especially if the scale is large; pegmatites and mineralized veins can be shown together with...use of these directions. When collecting from pegmatites note that the cleavage Apophyllite (Canada) 47...hand from demantoid crystals, notably those from Italy Gold Iron stains removable by most acids; quartz...was once a source of lithium. Found in granite pegmatites, the best 63 faceting material coming from |
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