ATHENA MINERALOGY |
Mineral: | VICANITE-(Ce) |
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Formula: | (Ca,REE,Th)15Fe3+(SiO4)3(Si3B3O18)(BO3)(As5+O4)(As3+O3)x(NaF3)1-xF7.0,2H2O (x=0.4) |
Crystal System: | Rhombohedral (Trigonal) |
Group: | Vicanite group |
IMA Number: | 1991-050 |
References: | EJM 7 (1995), 439; MR 27 (1996), 394; AM 87 (2002), 1139 |
Type Locality: | Vican volcanic distr., Tre Croci, Vetrella, Lazio (Latium), Italy |
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