Potassic-fluoro-hastingsite, Magnetite

Specimen ID: 2UY-3ET

Potassic-fluoro-hastingsite : {K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2
Magnetite : Fe2+Fe3+2O4
As recorded:
Greenwood mine, Town of Tuxedo, Orange Co., New York, USA
Mindat locality:
4.5cm x 4cm x 1cm

Photo added to mindat.org

Potassic-fluoro-hastingsite - solid mass of dark, nearly black cleavages that is intermixed with some magnetite as the specimen is slightly magnetic.
Christopher O'Neill - 26th September 2019
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