$22.76
Item #: CH-NIOB1/4
Priced per quarter-pound.
Also sold by the pound here.
Black nickel oxide (Ni2O3) produces browns, blues, grays and yellows in glazes. It can also tone down more intense colorants such as cobalt and copper. As it is refractory as well as a colorant, it is usually only used in small percentages (around 3%).
WARNING: This product can expose you to chemicals including Nickel Oxide, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.