H chondrite

The H type ordinary chondrites are the most common type of meteorite, accounting for approximately 40% of all those catalogued, 46% of the ordinary chondrites, and 44% of all chondrites. The ordinary chondrites are thought to have originated from three parent asteroids, whose fragments make up the H chondrite, L chondrite and LL chondrite groups respectively.

H chondrite
 Group 
TypeChondrite
Structural classification?
ClassOrdinary chondrite
Subgroups
  • H3
  • H4
  • H5
Parent bodyPossibly 6 Hebe, less likely 3 Juno & 7 Iris
CompositionIron ~25–31%, bronzite (an orthopyroxene), olivine (with characteristic fayalite (Fa) content 16 to 20 mol%), nickel-iron 15–19%, troilite 5%
Petrologic type3 (~2.5%), 5 (40%), 4 & 6 (57.5%)
Alternative namesBronzite chondrites, Olivine bronzite chondrites
Nuevo Mercurio, H5
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