This substance is a solid crystalline powder. Usually, nickel carbonate is a dull, greenish color. The name for this chemical derives from the fact that it contains both nickel and carbonate. It is stable in the air and mildly toxic to humans.
The most common uses for nickel carbonate include electroplating, manufacturing a variety of colorants, and petroleum refining. It can also be found in a variety of ceramic applications, as well as hardening edible oil and manufacturing organic chemicals.
Nickel carbonate is not highly toxic to humans, but it should never come into contact with your stomach or your eyes. This substance should be stored in a cool, dry area and sealed to prevent contamination. It may irritate the skin, but it is generally safe to handle.