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!
Learn all about the science of light, optics and visual perception with this wonderful kit!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Defy gravity with this cool balancing eagle!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Create beautiful art with this amazing sun paper!
Head into the lab for an in-depth investigation of genetics and DNA!