What’s the Difference Between Crystal and Glass?
June 28, 2021
Crystal is a subset of glass. There are three main criteria for crystal as established by the European Union in 1969: a lead content over 24%, a density of more than 2.90, and a reflective index of 1.545. John Kennedy, head of technical services at Waterford (the world’s foremost purveyor of high-end crystal based in […]
