photo: backyardnature.net About half of states in the U.S. have official rocks. West Virginia has coal. And California has serpentine …. for now. State Senator, Democrat Gloria Romero of East L.A. has proposed dropping serpentine as the state’s official rock because it contains asbestos. The State Senate has approved the bill; it is currently under review in the assembly . Proponents of the law argue that serpentine is a grim reminder … Read the full story on TreeHugger
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California May Defrock Its Rock Because It Contains Asbestos
