What should a beginner's meteorite collection include?
Start with affordable, representative specimens: an ordinary chondrite, an iron, perhaps a stony-iron slice and an achondrite, each with its official name and details.
A good beginner's collection tells the story of meteorites through a few well-chosen examples rather than many random pieces.
Core specimens. - An ordinary chondrite, such as an H, L or LL type. These are the commonest meteorites. A piece with crust and a cut face showing metal flecks and chondrules is ideal. - An iron meteorite, such as a small individual or a slice from a well-known fall like Sikhote-Alin, Campo del Cielo or Gibeon. An etched slice showing a Widmanstätten pattern is especially attractive. - A stony-iron, such as a small pallasite slice with olivine crystals, or a mesosiderite. These are more expensive but spectacular. - An achondrite, such as a eucrite from Vesta, to show a melted rock from another world.
Possible additions. A carbonaceous chondrite, such as a fragment of Allende, a tektite such as moldavite, and samples of impact rocks such as shatter cones, to show the wider story.
What to look for. Buy from reputable dealers who give the official name as listed by the Meteoritical Society, the classification, the mass, and details of fall or find. Clear provenance and legal export are important.
Size and budget. Small specimens of a few grams are perfectly adequate and much more affordable. Crust, cut faces and interesting features matter more than size.
Learning. Keep notes on each specimen's story. Visit museum collections to compare.
A collection grows over years. Enjoy building it thoughtfully.