Show Your Students How Naturally- Occurring Magnetism Was First Discovered

Nature's own magnet.

• Each is a unique specimen
• All are unique in their magnetic strength

Known for centuries as magnetic rock, or “lodestone,” this ferromagnetic ore sample contains mostly ferric oxide. Quality grade specimen may be used with iron filings for a simple demonstration of natural magnetism. Package of five pieces, each 2.5-3.5 cm long