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Robert A. Haag's

Stony-Iron Meteorite Collection


The term "mesosiderite" (meso - meaning between, siderite - meaning metal-bearing) is a remnant of the classification system devised in 1863 by Maskelyne. Confusion over the classification of meteorites has been going on for decades and persists today. Now scientists are realizing that much of the classification is arbitrary and that many meteorites cross categories.