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ATHENA

MINERALOGY

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Mineral: NENADKEVICHITE
Name: Ненадкевичит
Formula: Na8-xNb4(Si4O12)2(O,OH)4.8H2O
Crystal System: Orthorhombic
Group: Labuntsovite supergroup. Nenadkevichite group
IMA Number: 1955
References: NJMM (1986), 49; EJM 6 (1994), 503; HB2/2 (1995); DAN 358 (1998), 517; CM 37 (2000), 901; EJM 14 (2002), 165; AM 87 (2002), 1732
Type Locality: Kola Peninsula, Russia

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