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!
Box of 100 X-SMALL nitrile exam gloves.
Save with this large package of 300 medium-size nitrile exam gloves!
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
This is a smart value 200 gloves box of Large Nitrile exam gloves.
These large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
This is a classic demonstration toy of the powers of magnetic fields!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This classic device is used to demonstrate the conservation of mechanical energy.
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
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