Glass – Lab-made, Other, Green

This Egyptian necklace dates from 30 BCE - 300 CE and features green glass beads. "Gold Necklace with Medallion Depicting a Goddess LACMA 50.22.20." Public Domain.

Article: Understanding Gem Synthetics, Treatments, And Imitations, Part 2: Crystal Growth

Credit: “Gold Necklace with Medallion Depicting a Goddess LACMA 50.22.20.”