bartonite

A tetragonal-ditetragonal dipyramidal black brown mineral containing iron, potassium, and sulfur.

Noun

  1. A tetragonal-ditetragonal dipyramidal black brown mineral containing iron, potassium, and sulfur.

Origin

From Barton + -ite, after Paul B. Barton, Jr., sulfide petrologist with the U.S. Geological Society.