Terra Cotta Velvet Underglaze is a warm cinnamon brown that is much darker with a clear glaze on top at any temperature. At cone 05, it is red-brown and reminiscent of the clay it is named after. It darkens at cone 5 and becomes a deep chocolate color at cone 10.

Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.