Show Your Students How Naturally- Occurring Magnetism Was First Discovered
Physics Educational Materials
Electricity/Magnetism Learning Activities
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