Pyrrhotite, Santa Eulalia, Chihuahua Mexico, Mined c. early 1980s, Kalaskie Collection #457, Miniature 2.5 x 3.0 x 6.0, $350. Online 10/28.
Doubly terminated pyrrhotite with no point of attachment. Classic prismatic crystals with basal pinacoid. Complete on all sides and in excellent condition. A unique Mexican pyrrhotite in my experience. Betty Kalaskie Collection #457. Acquired in 1987.