https://www.etsy.com/listing/518276482/goldstone-blue-gold-stone-gemstone Beautiful glass butterfly charm, Gold plated metals, Blue Goldstone gemstones! Approximately 2 3/4 inches
Despite what its name implies, there is no gold in Goldstone; in fact, Goldstone is man-made glass infused with copper particles; the additions of cobalt, manganese or chromium result in the deep, shimmery Blue Goldstone. It was invented by the Miotti family in Venice during the seventeenth century. And, because glass is made from quartz sand (silica), Goldstone has found its way into the healing community.