What is the black substance in sand that sticks to a magnet?

Subject: What is the black substance in sand that sticks to a magnet?

Date: Sun Feb 11 00:59:47 2001
Posted by David
Grade level: 10-12 School: Gr 12 Ladner High School
City: Delta State/Province: B.C. Country: Canada
Area of science: Earth Sciences
ID: 981871187.Es

Message:


This is something I've been curious about since I was a boy. When I run a 
magnet through sand (at least on the beaches of my area of the world) it 
picks up a black grit. My high school teachers weren't sure of it's 
identity and frankly I haven't been sure who to ask. Thanks David Dedick

Re: What is the black substance in sand that sticks to a magnet?

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