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ATHENA

MINERALOGY

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Mineral: MARIANOITE = WOHLERITE
Formula: Na2Ca4Nb(Nb,Zr)(Si2O7)2(O,F)4
Crystal System: Monoclinic
Group: Wöhlerite group
References: CM 46 (2008), 1023; AM 94 (2009), 649; MM 86 (2022), 661
Type Locality: Prairie Lake carbonatite, Thunder Bay, Ontario, Canada
Comments: Discredited

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