roedderite

Etymology
Named after Edwin Woods Roedder (1919-2006), winner of the 1986 Roebling Medal and the 1988 Penrose Gold Medal, the president of the Mineralogical Society of America and the geologist who earlier discovered the synthetic compound with the United States Geological Survey.

Roedder +

Noun

 * 1)  A hexagonal-dihexagonal dipyramidal mineral containing iron, magnesium, oxygen, potassium, silicon, and sodium.