Fig. 1From: Artificial coloration of ancient agate beads: a mineralogical studyThe eight ancient beads from Jirzankal cemetery, Xinjiang, NW China. (From left to right, BM32:7-6, BM32:7-3, BM32:7-4, BM11:22-1, BM14:9-1-8, BM23:12-1, BM11:22-2, and BM23:12-7 were labeled as A–H)Back to article page