Pyrolusite is a form of Manganese Dioxide. It is prismatic steel gray with radiating iron black fibers. The geode is formed in volcanic eruptions. Pyrolusite is used to prepare disinfectants. It is part of the coloring ingredients used in printing, and in the manufacture of green and violet paints. It adds violet, amber and black colors to glass, pottery and bricks.
This geode was discovered in the Atlas Mountains of Morocco, North Africa.
This beautiful Pyrolusite Geode is approx 2 inches big!
Great scientific curiosity and a sure conversation starter!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
This project book and sample kit introduces you to shape-memory alloy technology!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Every kid needs one of these spheres!
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