PC-53 Ancient Jasper Porcelain darkens to a pewter tone

darkens to a pewter tone at cone 5 and begins to lighten and burn out at cone 10

Black Tulip is an active

Cone 4 Average Shrinkage 11

softens to a toasty beige at cone 5

Great for layering and always interesting

PC-53 Ancient Jasper Porcelain darkens to a pewter toneCone 5 6 Ancient Jasper is a fluid, opaque glaze that transitions from soft black to olive green to rust red as it is applied thicker. This glaze has an active, varied surface by itself and layers with other Potter's Choice glazes with striking results. Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.