Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:ARROJADITE-(KFe)
Formula:KNa3CaFe2+14Al(PO4)11(PO3OH)(OH)2
Crystal System:Monoclinic
Strunz Nr:7/B.20-20
Group:Dickinsonite Group
References:MM 43 (1979), 227; HB4 (2000); AM 91 (2006), 1249
Type Locality:Serra Branca, Picuhy, Parahiba, Brazil. Nickel Plate Mine, Keystone distr., Pennington Co., South Dakota, USA
Comments:Formerly Arrojadite

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