ATHENA MINERAL: Mineral Data; Pierre Perroud

ATHENA

MINERALOGY

Mineral:	NEPHELINE
Formula:	Na₃K(Al₄Si₄O₁₆)
Crystal System:	Hexagonal
Group:	Feldspathoid group. Nepheline group
IMA Number:	2018 s.p.
References:	HB2/2 (1995); L 10 (2007), 8; EJM 30 (2018), 408; MM 83 (2019), 239
Type Locality:	Monte Somma, Vesuvio (Vesuvius), Napoli, Campania, Italy

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