Columbite-(Mn) : Mn2+Nb2O6
As recorded:
Anderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
5.5cm x 6cm x 7cm
Photo added to mindat.org
“ Columbite - (Mn) 5.5cm Collected Dec 1978 with owners permission. Came from 100th boulder ice split. Anthony J Albini collection Analysis by Dr Peter Cerny Herold Moritz Photo.”
Tony Albini - 19th February 2024
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