Cobalt Oxide

Article number: P-2066
Availability: Out of stock
The carbonate has a lower cobalt content but is easier to mix evenly and melts easier. 1-3% carbonate or 0.8-1.5% oxide produces deep blues in leadless glazes, or a blue-black in lead glazes, or a vivid blue in alkaline glazes. The presence of magnesium gives a more purple tint. Glass jar is for illustration purposes only.
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