width 0.2-0.5 mm
**Finest (Off): lamellae width < 0.2 mm
* Plessitic (Opl): a transitional structure between octahedrites and ataxites
* Ataxites (D): very high nickel, no Widmanstätten pattern, rare.

Chemical classification

A newer chemical classification scheme based on the proportions of the trace elements Ga, Ge and

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