This bird will eventually molt into colorful adult plumage, appearing as if its upperparts were dipped in melted lapis lazuli gemstones that contrast with underparts of rich cinnamon, set off by ...

It was ultramarine, she would later learn, a pigment that a millennium ago could only have come from lapis lazuli originating in a single region of Afghanistan. This blue was once worth its weight ...

"I remember joking around at the time that maybe we discovered an artist painting with lapis lazuli." The idea seemed absurd. After all, lapis lazuli was one of the most expensive pigments known ...

Testing eventually revealed that it was lapis lazuli, and the most likely cause is that the woman worked as an artist, licking her paint brush, or inhaling dust while grinding the expensive ...

Sodalite is a blue stone that is durable and easy to cut. Visually, it looks similar to lapis lazuli, but there are some differences. According to the International Gem Society, lapis lazuli is ...

Tiny particles of the precious pigment lapis lazuli found in the teeth of a medieval woman suggest she was a scribe producing high-quality illustrated manuscripts. The discovery adds to evidence ...