Canyon Diablo (meteorite) - Composition and Classification

Composition and Classification

This meteorite is an iron octahedrite. Minerals reported from the meteorite include:

  • Cohenite - iron carbide
  • Chromite - iron magnesium chromium oxide
  • Daubreelite - iron(II) chromium sulfide
  • Diamond and lonsdaleite - carbon
  • Graphite - carbon
  • Haxonite - iron nickel carbide
  • Kamacite iron nickel alloy - the most common component.
  • base metal sulfides
  • Schreibersite - iron nickel phosphide
  • Taenite iron nickel alloy
  • Troilite a variety of the iron sulfide mineral pyrrhotite. The troilite in this sample is used as the standard reference for sulfur isotope ratios.
  • Moissanite - a variety of silicon carbide, the second hardest natural mineral.

Samples may contain troilite-graphite nodules with metal veins and small diamonds.

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