News

“At a party, Cosmic Cobalt is the tall person in the room ... has been used in art and jewelry since 7500 B.C. A brilliant blue stone accented by white or golden flecks, lapis was carved into ...
Cobalt blue dyes gained popularity in women’s garments ... Lapis lazuli was a highly sought out Egyptian stone that was ground up to create the color ultramarine. Advertising Lele Sadoughi ...
Study co-author Philippe Belley said in an interview that cobalt-blue spinel, "which is a ridiculously rare gemstone" gets a lot of interest from gemologists and jewellers but there's not enough ...
A new vibrant blue pottery pigment with less cobalt Date: February 22, 2024 Source: American Chemical Society Summary: Whether ultramarine, cerulean, Egyptian or cobalt, blue pigments have colored ...