In-Reply-To: <199906221948.PAA01640 at acme_actwin.com> from "Aquatic Plants Digest" at Jun 22, 99 03:48:02 pm
> Subject: Re: Steve Puskak on Micronized Iron
> Normally iron oxides are not magnetic but maybe some geologist knows of
> naturally occuring Fe minerals that are magnetic.
Magnetite, for a start. (Fe3O4)
Paul Sears Ottawa, Canada