Spruce Blue is a unique, opaque blue glaze. Where it is thick it is a deep, dark, glossy blue and where it is thin it is a light, airy, matte blue. On one piece you will have a combination of glossy dark blue and matte light blue. This glaze shows texture very well.
Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.