Locality: The Onello iron meteorite found in 1997 in the alluvium of the Bol’shoy Dolguchan River, Onello River basin, Aldan Shield, Sakha–Yakutia, Russia (Lat. 62° 20′N, Long. 137° 40′E).
Occurrence: In “plessite”, an intergrowth of taenite and kamacite; other associated minerals are: nickelphosphide, schreibersite, awaruite and graphite.
General appearance: Lath-like crystals (up to 0.4 × 0.1 × 0.01 mm).
Physical, chemical and crystallographic properties: Luster: metallic. Diaphaneity: opaque. Color: light straw-yellow. Streak: not given. Hardness: 5 to 6. Tenacity: highly brittle. Cleavage: not observed. Fracture: not given. Density...