Zircon‐Vanadium Blue Pigment
- 1 January 1970
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 53 (1) , 1-4
- https://doi.org/10.1111/j.1151-2916.1970.tb11987.x
Abstract
Vanadium was incorporated into zircon by heating in air and in controlled atmospheres of oxygen. It was found that V2+ could not be incorporated into zircon by firing in a hydrogen atmosphere. Comparison of the absorption spectrum of V3+ in YPO4 with that of blue zircons prepared in air and oxygen atmospheres, with and without fluoride additives, showed that it is highly probable that V4+ is solely responsible for the color of the pigment. Crystal field analysis confirmed the existence of V in the ZrO8 position in the zircon structure.Keywords
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