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Benstonite
Benstonite specimen from Chamberlain Creek Valley near Magnet Cove (Hot Spring County). This mineral is named after Orlando J. Benston, an ore dressing metallurgist at the University of Illinois.
Benstonite specimen from Chamberlain Creek Valley near Magnet Cove (Hot Spring County). This mineral is named after Orlando J. Benston, an ore dressing metallurgist at the University of Illinois.