Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en opal glass300129184glass, opalopalescent glassopalineopaline glass Bluish white, fiery, opalescent, translucent glass that has been made white by the addition of calcium phosphate (bone ash) and opalescent by the addition of fluorides (fluorspar, cryolite, or lepidolite) and/or arsenic. Red tones appear in transmitted light. Opal glass was used for windows, bowls, light shades, table tops, and cosmetic jars. vidre opalí vidrio de ópalo 2026-03-30 20:41:11