The lead-free crystal is dishwasher-safe (though the brand recommends avoiding harsh detergents and hand-washing for most longevity). Spiegelau is known for centuries of glassware craftsmanship ...

Glass and crystal both start as a transparent material that is made from natural materials including sand, limestone, and soda ash. Crystal, however, also has lead oxide, barium oxide, zinc oxide ...

He uses a special dichroic glass and 32% optical lead crystal in his pieces. Storm hand cuts the glass, polishes it and laminates it. This process creates laminated mirrors on the glass creating ...