From: utzoo!decvax!decwrl!sun!megatest!fortune!hpda!hplabs!hplabsb!soreff Newsgroups: net.physics Title: Re: Ice in water Article-I.D.: hplabsb.1534 Posted: Mon Apr 11 19:24:39 1983 Received: Wed Apr 13 21:41:14 1983 References: sbcs.266 I think that there are several other substances which expand when they freeze besides water and bismuth (I'm not sure about bronze). I'm fairly sure that germanium is in that class, and possibly some silicates. -Jeffrey Soreff (hplabs!hplabsb!soreff)