Known since 1908, when one large mass of 108.5 kilos and 4 smaller ones were found in a ruin in far western Chihuahua. All the masses were then brought o Chihuahua city a silver ore then disappeared. Nininger did some research in 1929 and 1931 and eventually found the main mass, unlabeled, in a pile of ore specimens in Chihuahua City, and obtained a mass of some 40 kilos. The three small masses are still unaccounted for.

Classified as a Fine Octahedrite IVA.
Only one part slice.
AB2138, 34.7g, $900.00