Chemically and mineralogically, the lodestone is magnetite, a massive type of iron ore, an oxide of iron, a mineral related the the brown stuff coating the magnetic disks and tapes used by computers. Magnetite is quite common in nature, while lodestones are relatively rare. This is a real lodestone, making it perfect for science experiments or rock collections.
Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar. Price is per each piece. They come in irregular shapes, sizes and weights. Photo shows multiple pieces for demonstration purposes only.
This magnet has a strength of: 50 Gauss (0.005 T)
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
See the constellations visible in the Northern Hemisphere on this watch!
Watch what your music can create with this amazing Snap Circuits set!