Nickle-poor
Item: 168.1 Dimensions: 140 x 93 x 5 mm Weight: 408 g
Provenance: Arizona State University, Tempe
Partial/complete: Partial slice
Cube: ~15mm x 15mm x 15mm ≈ 15mm3

Santiago Papasquiero

Country: Mexico
Region: Durango
Found: ~1958
Group: Iron
Type: Ataxite
Class: IRUNGR
Total known weight: 119.5kg

Looks like a typical Ataxite but is chemically and structurally anomalous. Most irons with 7% Ni are octahedrites; this meteorite has a very fine grain texture.