USD
EUR
PLNClassification: Iron, IIE
Place/Time: 2015 in Antofagasta, Chile
Mass: 2.54kg
Physical characteristics: A single mass partly sand-blasted. Sawn surface shows unweathered metallic interior with dark mm-sized inclusions.
Petrography: Etched section show a polycrystalline texture composed of 0.1 to 3 mm grains of kamacite often showing Neumann bands, troilite, schreibersite, silicate (0.2-1 mm) inclussions and plessitic fields. The silicates include olivine (Fa17-20) and pyroxene (Fs16-19).
Geochemistry: ICP-OES data (UPC): Ni=79.0, Co=4.6, P=1.3, S=3.2 (all mg/g); ICP-MS data: Cu=155, Cr=1.1, Ge=41.2, Ga=26.9, Pt=9.8, Os=4.4, Ru=5.2, Ir=5.3, Au=0.8 (all µg/g)
Condition: Part slice, etched from both sides, covered with Paraloid B72
