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Cobalt Blue Glassware, Smalt Royalty-Free Stock Photography


Cobalt Blue Glassware, Smalt Stock Photo
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Cobalt Blue Glassware, Smalt #179375867
Description

Cobalt glass known as smalt when ground as a pigment is a deep blue coloured glass prepared by including a cobalt compound, typically cobalt oxide or cobalt carbonate, in a glass melt. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour.