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 is a great clean heat demonstration model for the classroom setting!
With this cool electronic kit you get to assemble your own mini electric guitar!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
Build a hand that realistically moves its fingers using shape memory allow technology!
Watch what your music can create with this amazing Snap Circuits set!
Use this temperature-controlled soldering station for a variety of soldering applications!