WashU professor (now emeritus) and lunar meteorite expert, Randy L. Korotev, discusses the differences between meteorites and the stones people find that turn out to be meteor-wrongs. sites.wustl.ed... source.wustl.e...
i used to be restoration specialist at the grotto of the redemption in west bend iowa, and to repair the northwest corner, i took a large piece of pudding stone and took 6days to bus tinto 45 pieces with a sledge and a chizzle, it was larger than a basketball, did i smash something tjat was diamond? it was the toughest thing ive ever done.