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!
Build your very own smart robot!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
The Wimshurst Machine is a high quality static machine for student labs.
View the glory of space with this hi-tech telescope set!
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