Look more closely, though, and it’s easy to tell the difference. What is crystal? Crystal is a type of glass made with lead ...

Your grandmother's crystal should sound like a bell. You're rummaging through the cabinets at an estate sale, and you come across a set of 12 beautifully etched wine glasses. They're priced to ...

The lead-free crystal is also made to refract light ... and their standard glass material struck a perfect balance between not too thin and not too thick. We loved that the glasses had slightly ...

The trouble with lead is that it is so useful ... and they claim that in theory a single-crystal form of their new material could exceed it by more than threefold 6. One of the key questions ...