Robert A. Haag's
  Private Collection

 Iron

Aldama Gibeon Maltahohe Sacramento Mtn Sikhote     Silicated Iron Caddo Canyon Diablo Mundrabilla Twannburg

  Stony-Iron
  Stone
  Mars Rocks
  Tektites
  Glossary
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Canyon Diablo, Arizona Diamond crystal (carbonado). When we cut this piece, the much harder diamond crystal actually moved the saw blade over and around it. The carbonado was probably formed when carbon, in the form of of graphite within the meteorite, was subjected to an intense shock, either in a collision with another asteroid or with the surface of the Earth.