Roman Glass 10-20mm Light Green Graduated Center Drilled Coin with Pendant - 15-16 Inch 13mm This prompted an alternative name

This prompted an alternative name for the gemstone: Princess Blue

Use the Nylon Jaw Pliers for flattening and hardening designs after shaping

At that time yellowish gems were called "topaz" in many parts of the world

grinding wheels and cutting disks

Roman Glass 10-20mm Light Green Graduated Center Drilled Coin with Pendant - 15-16 Inch 13mm This prompted an alternative nameRoman glass that has been turned into contemporary beads refers to ancient Roman glass artifacts (often shards or fragments) that are carefully salvaged, sometimes reshaped, tumbled, or polished, and then drilled to be incorporated into modern jewelry designs. These beads are highly valued for their historical authenticity, unique iridescent patinas (caused by centuries of burial), and often distinctive colors that reflect the glassmaking techniques