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ATHENA

MINERALOGY

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Mineral: GJERDINGENITE-Fe
Formula: K2(Fe2+,Mn2+)(Nb,Ti)4(Si4O12)2(O,OH)4.7-8H2O
Crystal System: Monoclinic pseudo Orthorhombic
Group: Labuntsovite supergroup. Kuzmenkoite group
IMA Number: 2001-009
References: CM 40/6 (2002), 1629; EJM 14 (2002), 165
Type Locality: Gjerdingselva, Lunner, Oppland, Oslo Region, Norway

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